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Mercury
Mercury
Mercury is a banking platform built for startups and tech companies, offering checking, savings, treasury, and corporate-card services. The Mercury REST API exposes accounts, transactions, statements, recipients, ACH and wire payments, treasury yield, and webhooks.
Mercury publishes 9 APIs on the APIs.io network, including Webhooks API, Accounts API, Cards API, and 6 more. Tagged areas include Banking, Fintech, Startups, Treasury, and Payments.
The Mercury catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
Mercury’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.
16 APIs
Banking Fintech Startups Treasury Payments
On this page
Kin Score
APIs 16
Open Collections 1
GraphQL 1
Pricing Plans 1
Rate Limits 1
FinOps 1
Event Specs 1
Spectral Rules 1
Security Posture 2
Agentic Access 1
Resources 12
apis.yml
37 Operational Transparency
Composite quality — 41.8/100 · thin
Contract Quality
16.4 / 25
Developer Ergonomics
4.3 / 20
Commercial Clarity
7.9 / 20
Operational Transparency
4.8 / 13
Agent readiness — 36/100 · agent ready
Machine-Readable Contract
18 / 18
Agentic Access Contract
10 / 10
MCP Server
0 / 12
Machine-Readable Auth
10 / 10
Idempotency
0 / 9
Stable Error Semantics
0 / 8
Request/Response Examples
0 / 7
Rate-Limit Signaling
7 / 7
Typed Event Surface
6 / 6
Agent Skills
0 / 5
Well-Known Catalog
0 / 4
Consent & Bot Identity
0 / 3
A2A Agent Card
0 / 8
Dry-Run / Simulate Mode
0 / 4
Individual APIs this provider publishes, each with its own machine-readable definition.
Scroll for all 16
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
GraphQL schemas published by this provider.
Published pricing tiers and plan structures.
Documented rate limits and quota policies.
Cost, billing, and metering signals for API financial operations.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Spectral governance rulesets for linting and validating these APIs.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Recommended x-agentic-access execution contracts for AI agents.
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 2
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Source (apis.yml)
aid: mercury
url: https://raw.githubusercontent.com/api-evangelist/mercury/refs/heads/main/apis.yml
name: Mercury
kind: company
description: Mercury is a banking platform built for startups and tech companies, offering checking, savings, treasury, and
corporate-card services. The Mercury REST API exposes accounts, transactions, statements, recipients, ACH and wire payments,
treasury yield, and webhooks.
accessModel:
pricing: freemium
onboarding: self-serve
trial: false
try_now: true
public: false
label: Freemium · Self-serve signup
confidence: high
source:
- plans
- authentication
generated: '2026-07-22'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mercury.png
tags:
- Banking
- Fintech
- Startups
- Treasury
- Payments
created: '2026-05-08'
modified: '2026-05-30'
specificationVersion: '0.19'
apis:
- aid: mercury:accounts
name: Mercury Accounts API
description: Read access to all Mercury accounts (checking, savings, treasury) opened under the authenticated organization.
Returns account ID, name, type, status, current and available balances, account number, routing number, and account-holder
details.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Accounts
- Banking
- Balance
properties:
- type: Documentation
url: https://docs.mercury.com/reference/accounts
- url: graphql/mercury-graphql.md
type: GraphQL
- aid: mercury:transactions
name: Mercury Transactions API
description: Lists and retrieves transactions for a given Mercury account. Supports filtering by date range, status (pending,
sent, cancelled, failed), and amount, plus pagination. Returns counterparty information, kind (ACH, wire, card, internal
transfer, fee), category, note, and audit timestamps.
humanURL: https://docs.mercury.com/reference/transactions
baseURL: https://api.mercury.com/api/v1
tags:
- Transactions
- Reporting
properties:
- type: Documentation
url: https://docs.mercury.com/reference/transactions
- aid: mercury:statements
name: Mercury Statements API
description: Retrieves monthly account statements for a Mercury account. Each statement returns the start and end dates
and a downloadable PDF URL.
humanURL: https://docs.mercury.com/reference/get-statements
baseURL: https://api.mercury.com/api/v1
tags:
- Statements
- Reporting
- PDF
properties:
- type: Documentation
url: https://docs.mercury.com/reference/get-statements
- aid: mercury:recipients
name: Mercury Recipients API
description: Manages payment recipients (counterparties for outbound ACH and wire payments). Supports creating, retrieving,
listing, updating, archiving, and approving recipients. Read-and-write access to this endpoint requires IP whitelisting.
humanURL: https://docs.mercury.com/reference/recipients
baseURL: https://api.mercury.com/api/v1
tags:
- Recipients
- Counterparties
- Payments
properties:
- type: Documentation
url: https://docs.mercury.com/reference/recipients
- aid: mercury:payments
name: Mercury Payments API
description: Sends outbound ACH and domestic wire payments from a Mercury account to a recipient. Includes operations for
requesting a send-money payment, retrieving its status, and cancelling pending payments. Read-and-write tokens are required
and must originate from a whitelisted IP.
humanURL: https://docs.mercury.com/reference/send-money
baseURL: https://api.mercury.com/api/v1
tags:
- Payments
- ACH
- Wire
properties:
- type: Documentation
url: https://docs.mercury.com/reference/send-money
- aid: mercury:cards
name: Mercury Cards API
description: Read access to corporate card metadata - status, last four digits, the linked account, the card holder, and
spending limits.
humanURL: https://docs.mercury.com/reference/cards
baseURL: https://api.mercury.com/api/v1
tags:
- Cards
- Spending
- Corporate Cards
properties:
- type: Documentation
url: https://docs.mercury.com/reference/cards
- aid: mercury:treasury
name: Mercury Treasury API
description: Surfaces treasury account details for organizations enrolled in Mercury Treasury, including yield, allocation
across underlying money-market and Treasury bill portfolios, and current balance.
humanURL: https://docs.mercury.com/reference/treasury
baseURL: https://api.mercury.com/api/v1
tags:
- Treasury
- Yield
- Cash Management
properties:
- type: Documentation
url: https://docs.mercury.com/reference/treasury
- aid: mercury:webhooks
name: Mercury Webhooks API
description: Subscribes a partner application to event notifications such as transaction created/updated, payment status
change, and account balance threshold events. Mercury signs each delivery so receivers can verify authenticity.
humanURL: https://docs.mercury.com/reference/webhooks
baseURL: https://api.mercury.com/api/v1
tags:
- Webhooks
- Events
- Notifications
properties:
- type: Documentation
url: https://docs.mercury.com/reference/webhooks
- type: AsyncAPI
url: asyncapi/mercury-webhooks-asyncapi.yml
- aid: mercury:mercury-accounts-api
name: Mercury Accounts API
description: The Accounts API from Mercury — 2 operation(s) for accounts.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Accounts
properties:
- type: OpenAPI
url: openapi/mercury-accounts-api-openapi.yml
- aid: mercury:mercury-cards-api
name: Mercury Cards API
description: The Cards API from Mercury — 1 operation(s) for cards.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Cards
properties:
- type: OpenAPI
url: openapi/mercury-cards-api-openapi.yml
- aid: mercury:mercury-payments-api
name: Mercury Payments API
description: The Payments API from Mercury — 2 operation(s) for payments.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Payments
properties:
- type: OpenAPI
url: openapi/mercury-payments-api-openapi.yml
- aid: mercury:mercury-recipients-api
name: Mercury Recipients API
description: The Recipients API from Mercury — 2 operation(s) for recipients.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Recipients
properties:
- type: OpenAPI
url: openapi/mercury-recipients-api-openapi.yml
- aid: mercury:mercury-statements-api
name: Mercury Statements API
description: The Statements API from Mercury — 1 operation(s) for statements.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Statements
properties:
- type: OpenAPI
url: openapi/mercury-statements-api-openapi.yml
- aid: mercury:mercury-transactions-api
name: Mercury Transactions API
description: The Transactions API from Mercury — 2 operation(s) for transactions.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Transactions
properties:
- type: OpenAPI
url: openapi/mercury-transactions-api-openapi.yml
- aid: mercury:mercury-treasury-api
name: Mercury Treasury API
description: The Treasury API from Mercury — 1 operation(s) for treasury.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Treasury
properties:
- type: OpenAPI
url: openapi/mercury-treasury-api-openapi.yml
- aid: mercury:mercury-webhooks-api
name: Mercury Webhooks API
description: The Webhooks API from Mercury — 2 operation(s) for webhooks.
humanURL: https://docs.mercury.com/reference/accounts
baseURL: https://api.mercury.com/api/v1
tags:
- Webhooks
properties:
- type: OpenAPI
url: openapi/mercury-webhooks-api-openapi.yml
common:
- type: AgenticAccess
url: agentic-access/mercury-agentic-access.yml
- type: DomainSecurity
url: security/mercury-domain-security.yml
- type: Authentication
url: authentication/mercury-authentication.yml
- type: GitHubOrganization
url: https://github.com/MercuryTechnologies
- type: LinkedIn
url: https://www.linkedin.com/company/mercuryhq
- type: Website
url: https://mercury.com/
- type: Documentation
url: https://docs.mercury.com/
- type: Plans
url: plans/mercury-plans-pricing.yml
- type: RateLimits
url: rate-limits/mercury-rate-limits.yml
- type: FinOps
url: finops/mercury-finops.yml
- type: LlmsText
url: https://docs.mercury.com/llms.txt
- url: https://mercury.com/blog
type: Blog
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com