Outpost

Outpost provides a modular platform for global commerce, handling payments, tax, customs, and invoicing across borders. Their solution enables merchants to sell internationally with a unified API, offering Merchant of Record, Tax of Record, and Importer of Record services. Backed by local businesses and investors, Outpost simplifies cross‑border transactions, compliance, and settlement reporting, allowing companies to focus on growth while Outpost manages the complex financial and regulatory layers.

Outpost publishes 3 API contracts indexed on the APIs.io network: OAuth API, Payments API, and Webhooks API. Tagged areas include Company, Payments, Tax, Commerce, and SaaS.

The Outpost catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 1 Spectral governance ruleset.

Outpost’s developer surface includes authentication, getting-started guide, API reference, documentation, engineering blog, and 19 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

45.5/100 developing Agent 44/100 agent native Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 1 Agent Skills

Company Payments Tax CommerceSaaS

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 45.5/100 · developing

Contract Quality 15.4 / 21

Developer Ergonomics 7.3 / 17

Access Clarity 4.9 / 17

Operational Transparency 2.6 / 11

Contract Governance 2.2 / 10

Discoverability 5.3 / 9

Regulatory Posture 4.0 / 15

Agent readiness — 44/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% 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
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
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)
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too

4 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 28.9 — up to +14.2 composite points
Developer Ergonomics scores 42.9 — up to +11.4 composite points
Operational Transparency scores 23.7 — up to +9.9 composite points

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/outpost-ai/apis.yml: open an issue on github.com/api-evangelist/outpost-ai 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 →

APIs 3

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

Outpost OAuth API

Server-to-server access tokens.

Outpost Payments API

Payment lifecycle operations — provisioning a SetupIntent at signup, confirming the payment after card collection, and refunding in full or in part.

Outpost Webhooks API

Events Outpost posts to the merchant during renewal cycles.

Agent Skills 1

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

outpost-ai-payments-process

AGENT SKILL

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Outpost Ai Webhooks

ASYNCAPI

Semantic Vocabularies 1

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

Outpost Ai Context

12 classes · 42 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Outpost API Rules

16 rules · 14 errors 1 warnings 1 info

SPECTRAL

OpenAPI Overlays 1

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.

Outpost Ai Openapi Overlay

0 actions · update

UNRECORDED

JSON Schema 6

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

PaymentIntentRequest

5 properties

JSON SCHEMA

PaymentIntentResponse

4 properties

JSON SCHEMA

RefundRequest

3 properties

JSON SCHEMA

RefundResponse

8 properties

JSON SCHEMA

SetupIntentRequest

2 properties

JSON SCHEMA

SetupIntentResponse

4 properties

JSON SCHEMA

Security Posture 2

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

Outpost Ai Authentication

1 scheme

SECURITY

Outpost Ai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Outpost Ai Agentic Access

8 operations · 8 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

APIReference

APIReference

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 9

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

Webhooks

DataModel

Idempotency

Conventions

ErrorCatalog

Conformance

Scroll for all 9

Access & Security 3

Authentication, authorization, and security posture

Authentication

Authentication

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

StatusPage

StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 3

The organization behind the API

Website

Website

Blog

Blog

Careers

Careers

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: outpost-ai
name: Outpost
description: Outpost provides a modular platform for global commerce, handling payments, tax, customs, and invoicing across
  borders. Their solution enables merchants to sell internationally with a unified API, offering Merchant of Record, Tax of
  Record, and Importer of Record services. Backed by local businesses and investors, Outpost simplifies cross‑border transactions,
  compliance, and settlement reporting, allowing companies to focus on growth while Outpost manages the complex financial
  and regulatory layers.
url: https://artifacts.apis.io/outpost-ai/apis.yml
x-type: company
x-source: harvest:vc-portfolio
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-29 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-29'
modified: '2026-10-29'
tags:
- Company
- Payments
- Tax
- Commerce
- SaaS
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/outpost-ai-agentic-access.yml
- type: Spectral
  url: rules/outpost-ai-rules.yml
- type: JSONLD
  url: json-ld/outpost-ai-context.jsonld
- type: Vocabulary
  url: vocabulary/outpost-ai-vocabulary.yml
- type: Webhooks
  url: asyncapi/outpost-ai-webhooks.yml
- type: DataModel
  url: data-model/outpost-ai-data-model.yml
- type: Idempotency
  url: conventions/outpost-ai-conventions.yml
- type: Conventions
  url: conventions/outpost-ai-conventions.yml
- type: Authentication
  url: authentication/outpost-ai-authentication.yml
- type: ErrorCatalog
  url: errors/outpost-ai-problem-types.yml
- type: Conformance
  url: conformance/outpost-ai-conformance.yml
- type: Hosts
  url: hosts/outpost-ai-hosts.yml
- type: Vendors
  url: vendors/outpost-ai-vendors.yml
- type: TrustCenter
  url: https://trust.outpost.ai
- type: GettingStarted
  url: https://outpost.ai/docs/account-setup
- type: APIReference
  url: https://outpost.ai/docs/api-reference/
- type: DomainSecurity
  url: security/outpost-ai-domain-security.yml
- type: Website
  url: https://outpost.ai/
- type: Documentation
  url: https://outpost.ai/docs/
- type: Blog
  url: https://outpost.ai/blog/
- type: Careers
  url: https://outpost.ai/careers/
- type: PrivacyPolicy
  url: https://outpost.ai/privacy-policy/
- type: TermsOfService
  url: https://outpost.ai/terms
- type: StatusPage
  url: https://status.outpost.ai/
apis:
- aid: outpost-ai:outpost-ai-oauth-api
  name: Outpost OAuth API
  description: Server-to-server access tokens.
  humanURL: https://outpost.ai/docs/api-reference/
  baseURL: https://api.outpostanywhere.com
  tags:
  - OAuth
  properties:
  - type: OpenAPI
    url: openapi/outpost-ai-oauth-api-openapi.yml
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-request-schema.json
- aid: outpost-ai:outpost-ai-payments-api
  name: Outpost Payments API
  description: 'Payment lifecycle operations — provisioning a SetupIntent at signup,

    confirming the payment after card collection, and refunding in full or

    in part.'
  humanURL: https://outpost.ai/docs/api-reference/
  baseURL: https://api.outpostanywhere.com
  tags:
  - Payments
  properties:
  - type: OpenAPI
    url: openapi/outpost-ai-payments-api-openapi.yml
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-request-schema.json
- aid: outpost-ai:outpost-ai-webhooks-api
  name: Outpost Webhooks API
  description: Events Outpost posts to the merchant during renewal cycles.
  humanURL: https://outpost.ai/docs/api-reference/
  baseURL: https://api.outpostanywhere.com
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/outpost-ai-webhooks-api-openapi.yml
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-setup-intent-response-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-refund-request-schema.json
  - type: JSONSchema
    url: json-schema/outpost-ai-payment-intent-request-schema.json
x-backed-by:
- ribbit-capital
x-enrichment:
  date: '2026-10-29'
  status: enriched
  artifacts_added: 21
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Outpost API — frequently asked questions

Does Outpost have an API?

Yes. APIs.io lists 3 APIs from Outpost, including Outpost OAuth API, Outpost Payments API and Outpost Webhooks API.

Is there an OpenAPI specification for the Outpost API?

Yes. APIs.io indexes 3 OpenAPI specifications for Outpost, each linked for download from this page.

How do I authenticate with the Outpost API?

Outpost uses bearer-token authentication (1 scheme). The details are profiled on APIs.io as Outpost Ai Authentication.

Is the Outpost API ready for AI agents?

Outpost has a Kin Score of 45.5 out of 100 (developing) and an Agent Readiness score of 43.8 (agent-native), scored by API Evangelist on 2026-10-31.

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