Payrails

Payrails is a modular payment and financial infrastructure platform — "the operating system for profitable growth" — that gives merchants unified control over payments, tokenization, and financial data. Its API and SDKs orchestrate payments across many payment service providers (Adyen, Stripe, Checkout.com, Braintree, Klarna, and 100+ local methods), with a PCI-certified token vault, network tokenization, 3D Secure, a no-code Workflow Studio for routing and decisioning, automated reconciliation, chargeback/dispute management, fraud screening, and unified analytics. Authentication is OAuth 2.0 client-credentials (plus optional mTLS); events are delivered as HMAC-signed webhooks. Used by Eneba, PUMA, Vinted, Preply, inDrive, Just Eat, and Careem.

Payrails publishes 1 API on the APIs.io network. Tagged areas include Company, Payments, Payment Orchestration, Fintech, and Tokenization.

The Payrails catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Payrails’ developer surface includes documentation, API reference, getting-started guide, engineering blog, support, authentication, changelog, and 28 more developer resources.

🌐 Visit website 📡 Source on GitHub

52.1/100 developing ▬ flat Agent 42/100 agent ready Full breakdown ↓
scored 2026-08-17 · rubric v0.11.0

AccessSelf serve

1 APIs 1 MCP Servers

CompanyPaymentsPayment OrchestrationFintechTokenizationFraudDisputesReconciliationCheckoutFinancial Infrastructure

Kin Score

Kin Score How this is scored →
scored 2026-08-17 · rubric v0.11.0

Composite quality — 52.1/100 · developing

Contract Quality 11.0 / 21

Developer Ergonomics 11.7 / 17

Commercial Clarity 6.3 / 17

Operational Transparency 7.0 / 11

Governance 1.3 / 10

Discoverability 6.5 / 9

Regulatory Posture 8.4 / 15

Agent readiness — 42/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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.

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/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/payrails: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

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

Payrails API

Payrails' REST API for payment orchestration — executions and payment actions (authorize, confirm, capture, cancel, refund, payout), instruments and tokens, the PCI vault, provi...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Sandbox

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer

AgentSkill

WellKnown

LLMsTxt

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Idempotency

Conventions

ErrorCatalog

Lifecycle

Webhooks

Components

DataModel

Conformance

Scroll for all 8

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

DeclineCodes

Packages

SDKs

Access & Security 6

Authentication, authorization, and security posture

Authentication

Authentication

Compliance

Compliance

DomainSecurity

DomainSecurity

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

TrustCenter

TrustCenter

Operate 4

Status, limits, changes, and where to get help

Support

StatusPage

Deprecation

ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: payrails
name: Payrails
description: Payrails is a modular payment and financial infrastructure platform — "the operating system for profitable growth"
  — that gives merchants unified control over payments, tokenization, and financial data. Its API and SDKs orchestrate payments
  across many payment service providers (Adyen, Stripe, Checkout.com, Braintree, Klarna, and 100+ local methods), with a PCI-certified
  token vault, network tokenization, 3D Secure, a no-code Workflow Studio for routing and decisioning, automated reconciliation,
  chargeback/dispute management, fraud screening, and unified analytics. Authentication is OAuth 2.0 client-credentials (plus
  optional mTLS); events are delivered as HMAC-signed webhooks. Used by Eneba, PUMA, Vinted, Preply, inDrive, Just Eat, and
  Careem.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://www.payrails.com/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/payrails/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- eqt-ventures
- general-catalyst
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Payments
- Payment Orchestration
- Fintech
- Tokenization
- Fraud
- Disputes
- Reconciliation
- Checkout
- Financial Infrastructure
apis:
- name: Payrails API
  description: Payrails' REST API for payment orchestration — executions and payment actions (authorize, confirm, capture,
    cancel, refund, payout), instruments and tokens, the PCI vault, providers and workflow configuration, disputes, fraud,
    3DS, reports, SSO, and workspaces.
  humanURL: https://docs.payrails.com/reference
  baseURL: https://api.payrails.io
  properties:
  - type: Documentation
    url: https://docs.payrails.com/docs
  - type: APIReference
    url: https://docs.payrails.com/reference
  - type: Authentication
    url: authentication/payrails-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.payrails.com/
- type: DeveloperPortal
  url: https://docs.payrails.com/docs
- type: Documentation
  url: https://docs.payrails.com/docs
- type: APIReference
  url: https://docs.payrails.com/reference
- type: GettingStarted
  url: https://docs.payrails.com/docs/set-up-your-payrails-account-and-environment
- type: Blog
  url: https://www.payrails.com/blog
- type: Support
  url: https://www.payrails.com/contact
- type: GitHubOrganization
  url: https://github.com/payrails
- type: TermsOfService
  url: https://www.payrails.com/terms-and-conditions
- type: PrivacyPolicy
  url: https://www.payrails.com/privacy-policy
- type: StatusPage
  url: https://status.payrails.com
- type: Authentication
  url: authentication/payrails-authentication.yml
- type: Idempotency
  url: conventions/payrails-conventions.yml
- type: Conventions
  url: conventions/payrails-conventions.yml
- type: ErrorCatalog
  url: errors/payrails-problem-types.yml
- type: DeclineCodes
  url: errors/payrails-decline-codes.yml
- type: Lifecycle
  url: lifecycle/payrails-lifecycle.yml
- type: Deprecation
  url: https://docs.payrails.com/docs/v6-migration-guide
- type: ChangeLog
  url: https://docs.payrails.com/docs/v6-migration-guide
- type: Sandbox
  url: sandbox/payrails-sandbox.yml
- type: Webhooks
  url: asyncapi/payrails-notifications-webhooks.yml
- type: Packages
  url: packages/payrails-packages.yml
- type: SDKs
  url: packages/payrails-packages.yml
- type: Components
  url: components/payrails-components.yml
- type: MCPServer
  url: mcp/payrails-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/payrails-data-model.yml
- type: Conformance
  url: conformance/payrails-conformance.yml
- type: Compliance
  url: https://www.payrails.com/security
- type: WellKnown
  url: well-known/payrails-well-known.yml
- type: DomainSecurity
  url: security/payrails-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/payrails-vulnerability-disclosure.yml
- type: Security
  url: https://www.payrails.com/security
- type: TrustCenter
  url: security/payrails-trust-center.yml
- type: LLMsTxt
  url: llms/payrails-llms.txt
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 22
  pass: local-v1

Payrails

Kin Score

APIs 1

Payrails API

MCP Servers 1

payrails-mcp.yml

Event Specifications 1

Payrails Notifications Webhooks

Security Posture 4

Payrails Authentication

Payrails Domain Security

Payrails Vulnerability Disclosure

Payrails Trust Center

Resources