Assembly Payments website screenshot

Assembly Payments

Assembly Payments was an Australian payments platform founded to give marketplaces, platforms and businesses embedded payment processing, digital wallets, escrow-style payment workflows and real-time payouts through an API. According to the company's own About page, Assembly Payments became the first non-bank to launch real-time payments in Australia and later merged with CurrencyFair to become Zai; assemblypay.com now redirects to hellozai.com, and the developer portal at developer.hellozai.com (still introduced as 'The Assembly Payments Developer Portal') documents the Zai payments API for payment processing, wallets, PayTo, payouts and workflow automation.

Assembly Payments publishes 31 API contracts indexed on the APIs.io network, including Webhooks API, Addresses API, Authentication API, and 28 more. Tagged areas include Company, Payments, Fintech, Marketplace, and Digital Wallet.

The Assembly Payments catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Assembly Payments’ developer surface includes sandbox, getting-started guide, authentication, documentation, API reference, engineering blog, pricing, and 37 more developer resources.

63.2/100 strong ▬ flat Agent 45/100 agent ready Heartbeat 0/100 dormant Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →
AccessPaid
7 published contracts 5 Agent Skills
CompanyPaymentsFintechMarketplaceDigital WalletPayoutsAustraliaPayTo

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Developer Platform & API Ecosystem Management
BC-4270
JobsWebhooks
GET /webhooks/{uuid}/jobs POST /webhooks GET /webhooks POST /webhooks/secret_key

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0
Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
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Agent readiness — checks not met, largest first (exact, from this profile):
  • MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
  • Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
  • A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
  • Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
  • Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
  • Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
4 more unmet checks in the Agent Readiness table above.
Kin Score — facets with the most composite points still available (weight × headroom):
Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/assembly-payments/apis.yml: open an issue on github.com/api-evangelist/assembly-payments to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

MarketPositionDepthRegistered MCP serverDeclares compatibility
Australia AFS, Credit and ADI Registers (ASIC + APRA licensing) core 4.0 (thin) - -

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

measured — observed by APIs.io (published)
measured — observed by APIs.io (declared)

APIs 31

Individual APIs this provider publishes, each with its own machine-readable definition.

Webhooks API

Configure and manage webhook subscriptions and delivery for Zai/Assembly platform events.

Assembly Payments Addresses API

The Addresses API from Assembly Payments — 1 operation(s) for addresses.

Assembly Payments Authentication API

The Authentication API from Assembly Payments — 1 operation(s) for authentication.

Assembly Payments Bank Accounts API

The Bank Accounts API from Assembly Payments — 6 operation(s) for bank accounts.

Assembly Payments Batch Transactions API

The Batch Transactions API from Assembly Payments — 2 operation(s) for batch transactions.

Assembly Payments BPay Accounts API

The BPay Accounts API from Assembly Payments — 3 operation(s) for bpay accounts.

Assembly Payments Callbacks API

The Callbacks API from Assembly Payments — 4 operation(s) for callbacks.

Assembly Payments Card Accounts API

The Card Accounts API from Assembly Payments — 4 operation(s) for card accounts.

Assembly Payments Charges API

The Charges API from Assembly Payments — 4 operation(s) for charges.

Assembly Payments Companies API

The Companies API from Assembly Payments — 2 operation(s) for companies.

Assembly Payments Direct Debit Authorities API

The Direct Debit Authorities API from Assembly Payments — 2 operation(s) for direct debit authorities.

Assembly Payments Disbursements API

The Disbursements API from Assembly Payments — 7 operation(s) for disbursements.

Assembly Payments Failed NPP Payment Details API

The Failed NPP Payment Details API from Assembly Payments — 1 operation(s) for failed npp payment details.

Assembly Payments Fees API

The Fees API from Assembly Payments — 2 operation(s) for fees.

Assembly Payments Item Actions API

The Item Actions API from Assembly Payments — 8 operation(s) for item actions.

Assembly Payments Items API

The Items API from Assembly Payments — 9 operation(s) for items.

Assembly Payments Jobs API

The Jobs API from Assembly Payments — 2 operation(s) for jobs.

Assembly Payments Marketplaces API

The Marketplaces API from Assembly Payments — 1 operation(s) for marketplaces.

Assembly Payments Pay IDs API

The PayIDs API from Assembly Payments — 3 operation(s) for payids.

Assembly Payments PayTo Agreements API

Agreement Management APIs

Assembly Payments PayTo Payments API

Payment Initiation APIs

Assembly Payments Requests API

The Requests API from Assembly Payments — 2 operation(s) for requests.

Assembly Payments Status API

The Status API from Assembly Payments — 1 operation(s) for status.

Assembly Payments Sub Wallets API

The Sub-wallets API from Assembly Payments — 9 operation(s) for sub-wallets.

Assembly Payments Token Auth API

The Token Auth API from Assembly Payments — 1 operation(s) for token auth.

Assembly Payments Tools API

The Tools API from Assembly Payments — 1 operation(s) for tools.

Assembly Payments Transaction supplementary data API

The Transaction supplementary data API from Assembly Payments — 1 operation(s) for transaction supplementary data.

Assembly Payments Transactions API

The Transactions API from Assembly Payments — 7 operation(s) for transactions.

Assembly Payments Users API

The Users API from Assembly Payments — 9 operation(s) for users.

Assembly Payments Virtual Accounts API

The Virtual Accounts API from Assembly Payments — 5 operation(s) for virtual accounts.

Assembly Payments Wallet Accounts API

The Wallet Accounts API from Assembly Payments — 7 operation(s) for wallet accounts.

Scroll for all 31

Agent Skills 5

Packaged agent skills for driving this provider's APIs from an AI assistant.

Assembly Payments API pricing

Prices published by Assembly Payments.

PlanPrice
Standard 1.5% + A$0.30
Customised Contact Sales

Plan details, limits and sources →

Rate limits

Rate-limit details →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Assembly Payments Rate Limits

1 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Assembly Payments Context

120 classes · 282 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Assembly Payments API Rules

65 rules · 42 error-severity 17 warn-severity 6 info-severity

SPECTRAL

OpenAPI Overlays 7

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Assembly Payments Api Overlay

108 actions · update · assembly-payments-api-openapi.yml

GENERATED

Assembly Payments Asynchronous Api Overlay

4 actions · update · assembly-payments-asynchronous-api-openapi.yml

GENERATED

Assembly Payments Payto Api Overlay

11 actions · update · assembly-payments-payto-api-openapi.yml

GENERATED

Assembly Payments Supplementary Data Apis Api Overlay

3 actions · update · assembly-payments-supplementary-data-apis-api-openapi.yml

GENERATED

Assembly Payments Upcoming Initiate Last Domestic Leg Payout Api Overlay

2 actions · update · assembly-payments-upcoming-initiate-last-domestic-leg-payout-api-openapi.yml

GENERATED

Assembly Payments Virtual Accounts And Payids Api Overlay

10 actions · update · assembly-payments-virtual-accounts-and-payids-api-openapi.yml

GENERATED

Assembly Payments Webhooks Api Overlay

10 actions · update · assembly-payments-webhooks-api-openapi.yml

GENERATED

Scroll for all 7

JSON Schema 31

Standalone JSON Schema definitions for this provider's data models.

AgreementDetailsResponse

9 properties

JSON SCHEMA

AmendAgreementDetailsRequest

4 properties

JSON SCHEMA

bank_account_requestBody_au

10 properties

JSON SCHEMA

callbacks

2 properties

JSON SCHEMA

charge_requestBody

14 properties

JSON SCHEMA

deregister_pay_id

3 properties

JSON SCHEMA

InitiatePaymentRequest

3 properties

JSON SCHEMA

InitiatePaymentResponse

7 properties

JSON SCHEMA

InitiatePaymentStatusResponse

13 properties

JSON SCHEMA

item_requestBody

13 properties

JSON SCHEMA

Job

7 properties

JSON SCHEMA

Jobs

2 properties

JSON SCHEMA

make_payment_requestBody

5 properties

JSON SCHEMA

npp_last_domestic_leg_disbursement

22 properties

JSON SCHEMA

npp_last_domestic_leg_requestBody

6 properties

JSON SCHEMA

pay_id_request

3 properties

JSON SCHEMA

pay_id

8 properties

JSON SCHEMA

paymentData

12 properties

JSON SCHEMA

single_item

1 properties

JSON SCHEMA

status

4 properties

JSON SCHEMA

supplementaryData

11 properties

JSON SCHEMA

update_user_requestBody

20 properties

JSON SCHEMA

update_va_status_resp

3 properties

JSON SCHEMA

UpdateWebhookRequestBody

3 properties

JSON SCHEMA

user_requestBody

22 properties

JSON SCHEMA

ValidateAgreementRequest

4 properties

JSON SCHEMA

virtual_account

14 properties

JSON SCHEMA

virtual_accounts_list

2 properties

JSON SCHEMA

WebhookRequestBody

3 properties

JSON SCHEMA

Webhook

9 properties

JSON SCHEMA

Webhooks

2 properties

JSON SCHEMA

Scroll for all 31

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Assembly Payments Authentication

http/oauth2 · 3 schemes

SECURITY

Assembly Payments Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Assembly Payments Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Agentic Access (API Evangelist recommendations) 1

Recommended x-agentic-access execution contracts for AI agents.

Assembly Payments Agentic Access

141 operations · 60 acting

141 operations · 60 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 9

Pagination, idempotency, versioning, errors, and events

Scroll for all 9

Build 5

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 5

Status, limits, changes, and where to get help

Commercial 4

Pricing, plans, and the legal terms of use

Company 4

The organization behind the API

Other 5

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: assembly-payments
name: Assembly Payments
description: Assembly Payments was an Australian payments platform founded to give marketplaces, platforms and businesses
  embedded payment processing, digital wallets, escrow-style payment workflows and real-time payouts through an API. According
  to the company's own About page, Assembly Payments became the first non-bank to launch real-time payments in Australia and
  later merged with CurrencyFair to become Zai; assemblypay.com now redirects to hellozai.com, and the developer portal at
  developer.hellozai.com (still introduced as 'The Assembly Payments Developer Portal') documents the Zai payments API for
  payment processing, wallets, PayTo, payouts and workflow automation.
url: https://raw.githubusercontent.com/api-evangelist/assembly-payments/refs/heads/main/apis.yml
x-type: company
x-source: harvest:australia-apidays-2026
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-22 (modular-v1; was harvest)
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: high
  probe_state: covered
  source:
  - plans
  - authentication
  - rate-limits
  - security
  - sandbox
  generated: '2026-11-06'
  method: derived
specificationVersion: '0.20'
created: '2026-10-22'
modified: '2026-10-22'
tags:
- Company
- Payments
- Fintech
- Marketplace
- Digital Wallet
- Payouts
- Australia
- PayTo
tags_raw:
- Company
- Payments
- Fintech
- Marketplaces
- Digital Wallets
- Payouts
- Australia
- PayTo
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
image: https://www.hellozai.com/hubfs/zai01/assets/Featured%20images/Homepage-featured-image.png
common:
- type: SecurityTxt
  url: well-known/assembly-payments-status-security.txt
- type: CapabilityMap
  url: capabilities/assembly-payments-capability-edges.yml
  name: Assembly Payments Business Capability Map
- type: AgenticAccess
  url: agentic-access/assembly-payments-agentic-access.yml
- type: RateLimits
  url: rate-limits/assembly-payments-rate-limits.yml
- type: Plans
  url: plans/assembly-payments-plans-pricing.yml
- type: Spectral
  url: rules/assembly-payments-rules.yml
- type: JSONLD
  url: json-ld/assembly-payments-context.jsonld
- type: Vocabulary
  url: vocabulary/assembly-payments-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/assembly-payments-data-model.yml
- type: Components
  url: components/assembly-payments-components.yml
- type: Conventions
  url: conventions/assembly-payments-conventions.yml
- type: Sandbox
  url: sandbox/assembly-payments-sandbox.yml
- type: Deprecation
  url: lifecycle/assembly-payments-lifecycle.yml
- type: Lifecycle
  url: lifecycle/assembly-payments-lifecycle.yml
- type: DeclineCodes
  url: errors/assembly-payments-decline-codes.yml
- type: ErrorCatalog
  url: errors/assembly-payments-problem-types.yml
- type: Conformance
  url: conformance/assembly-payments-conformance.yml
- type: Overlay
  url: overlays/assembly-payments-api-overlay.yaml
- type: LLMsTxt
  url: llms/assembly-payments-llms.txt
- type: WellKnown
  url: well-known/assembly-payments-well-known.yml
- type: Hosts
  url: hosts/assembly-payments-hosts.yml
- type: IntegrationEdges
  url: integrations/assembly-payments-integration-edges.yml
- type: Vendors
  url: vendors/assembly-payments-vendors.yml
- type: SDKs
  url: packages/assembly-payments-packages.yml
- type: Packages
  url: packages/assembly-payments-packages.yml
- type: GettingStarted
  url: https://developer.hellozai.com/docs/onboarding-a-pay-in-user
- type: Authentication
  url: authentication/assembly-payments-authentication.yml
- type: DomainSecurity
  url: security/assembly-payments-domain-security.yml
- type: Website
  url: https://assemblypay.com/
- type: DeveloperPortal
  url: https://developer.hellozai.com/
- type: Documentation
  url: https://developer.hellozai.com/docs
- type: APIReference
  url: https://developer.hellozai.com/reference
- type: Blog
  url: https://www.hellozai.com/blog
- type: Pricing
  url: https://www.hellozai.com/pricing
- type: Support
  url: https://support.hellozai.com/
- type: Contact
  url: https://www.hellozai.com/contact-us
- type: StatusPage
  url: https://status.hellozai.com/
- type: TermsOfService
  url: https://www.hellozai.com/company/policies/terms-conditions
- type: PrivacyPolicy
  url: https://www.hellozai.com/company/policies/privacy-policy
- type: Leadership
  url: https://www.hellozai.com/company/leadership-team
- type: Newsroom
  url: https://www.hellozai.com/news
- type: About
  url: https://www.hellozai.com/about-us
- type: GitHubOrganization
  url: https://github.com/AssemblyPayments
apis:
- name: Webhooks API
  description: Configure and manage webhook subscriptions and delivery for Zai/Assembly platform events.
  image: https://www.hellozai.com/hubfs/zai01/assets/Featured%20images/Homepage-featured-image.png
  humanURL: https://developer.hellozai.com/reference/webhooks-overview
  baseURL: https://au-0000.api.assemblypay.com
  tags:
  - Payments
  - Fintech
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-webhooks-api-openapi.yml
    x-source: https://developer.hellozai.com/reference
    x-ownership: 'Ownership: info.contact is support@assemblypayments.com / support@hellozai.com and the provider''s own Environments
      page (https://developer.hellozai.com/docs/environments) names test.api.promisepay.com and secure.api.promisepay.com
      as the Pre-live and Live API endpoints; PromisePay is Assembly''s former name (''Assembly (formerly PromisePay)'') and
      Assembly merged into Zai.'
  - type: Documentation
    url: https://developer.hellozai.com/reference/webhooks-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-webhook-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-job-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-webhook-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-webhook-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-webhooks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-jobs-schema.json
  aid: assembly-payments:webhooks-api
- aid: assembly-payments:assembly-payments-addresses-api
  name: Assembly Payments Addresses API
  description: The Addresses API from Assembly Payments — 1 operation(s) for addresses.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Addresses
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-addresses-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-authentication-api
  name: Assembly Payments Authentication API
  description: The Authentication API from Assembly Payments — 1 operation(s) for authentication.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-authentication-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-bank-accounts-api
  name: Assembly Payments Bank Accounts API
  description: The Bank Accounts API from Assembly Payments — 6 operation(s) for bank accounts.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Bank Accounts
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-bank-accounts-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-batch-transactions-api
  name: Assembly Payments Batch Transactions API
  description: The Batch Transactions API from Assembly Payments — 2 operation(s) for batch transactions.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Batch Transactions
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-batch-transactions-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-bpay-accounts-api
  name: Assembly Payments BPay Accounts API
  description: The BPay Accounts API from Assembly Payments — 3 operation(s) for bpay accounts.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - BPay Accounts
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-bpay-accounts-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-callbacks-api
  name: Assembly Payments Callbacks API
  description: The Callbacks API from Assembly Payments — 4 operation(s) for callbacks.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Callbacks
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-callbacks-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-card-accounts-api
  name: Assembly Payments Card Accounts API
  description: The Card Accounts API from Assembly Payments — 4 operation(s) for card accounts.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Card Accounts
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-card-accounts-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json
- aid: assembly-payments:assembly-payments-charges-api
  name: Assembly Payments Charges API
  description: The Charges API from Assembly Payments — 4 operation(s) for charges.
  humanURL: https://developer.hellozai.com/reference/overview
  baseURL: https://secure.api.promisepay.com
  tags:
  - Charges
  properties:
  - type: OpenAPI
    url: openapi/assembly-payments-charges-api-openapi.yml
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-user-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-charge-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-bank-account-request-body-au-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-item-request-body-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-va
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-account-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-pay-id-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-update-va-status-resp-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-deregister-pay-id-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-virtual-accounts-list-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/overview-1
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-status-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-agreement-details-response-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-validate-agreement-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-amend-agreement-details-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-request-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-initiate-payment-response-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/async-overview
  - type: JSONSchema
    url: json-schema/assembly-payments-make-payment-request-body-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-status-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-callbacks-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-single-item-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference
  - type: JSONSchema
    url: json-schema/assembly-payments-payment-data-schema.json
  - type: JSONSchema
    url: json-schema/assembly-payments-supplementary-data-schema.json
  - type: Documentation
    url: https://developer.hellozai.com/reference/npplastdomesticleg-1
  - type: JSONSchema
    url: json-schema/assembly-payments-npp-last-domestic-leg-disbursement-schema.json


# --- truncated at 32 KB (102 KB total) ---
# Full source: https://artifacts.apis.io/assembly-payments/apis.yml

Assembly Payments API — frequently asked questions

Does Assembly Payments have an API?

Yes. APIs.io lists 31 APIs from Assembly Payments, including Webhooks API, Assembly Payments Addresses API and Assembly Payments Authentication API, and 28 more.

Is there an OpenAPI specification for the Assembly Payments API?

Yes. APIs.io indexes 31 OpenAPI specifications for Assembly Payments, each linked for download from this page.

How do I authenticate with the Assembly Payments API?

Assembly Payments documents its authentication (http/oauth2 · 3 schemes). The details are profiled on APIs.io as Assembly Payments Authentication.

How much does the Assembly Payments API cost?

Assembly Payments publishes its prices; its Standard plan is 1.5% + A$0.30 as of 2026-10-22. APIs.io lists 2 pricing plans for Assembly Payments, with each plan's price, limits and inclusions under Pricing on this page.

Is the Assembly Payments API ready for AI agents?

Assembly Payments has a Kin Score of 63.2 out of 100 (strong) and an Agent Readiness score of 44.7 (agent-ready), scored by API Evangelist on 2026-11-06.

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