Finix

aid: finix
name: Finix
description: Finix is a full-stack payments technology provider that lets software platforms, marketplaces, and merchants
  accept and send payments online and in person. The Finix API is a HAL/HATEOAS REST API (HTTP Basic authentication per RFC
  7617, date-based Finix-Version header, cursor pagination, idempotency_id) covering Identities, Merchants, Payment Instruments,
  Authorizations, Transfers, Settlements, Disputes, Fee Profiles, Verifications, Onboarding Forms, Devices, Balance Transfers,
  Split Transfers, and Webhooks, plus low-code Checkout, Payment Links, Subscriptions, and Payouts. It is Level 1 PCI DSS
  certified with finix.js browser tokenization, native iOS/Android SDKs, and official Python, Node.js, Java, and PHP client
  libraries. This profile was enriched from Finix's own public developer surface.
url: https://raw.githubusercontent.com/api-evangelist/finix/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bain-capital-ventures
- homebrew
- lightspeed-venture-partners
x-tier: enriched
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://images.ctfassets.net/kqru4vgwujx6/3dBfyfPS31FWqFPTwf4dRv/417cc8b5e94029726cffb9aa85230111/OG_Image.png?w=1200&q=90
tags:
- Company
- Fintech
- Payments
- Payment Processing
- Payment Facilitation
- Merchant Onboarding
- Payouts
- Marketplaces
apis:
- aid: finix:finix-api
  name: Finix API
  humanURL: https://docs.finix.com/
  baseURL: https://finix.live-payments-api.com
  tags:
  - Payments
  - Transfers
  - Merchants
  - Identities
  - Disputes
  - Settlements
  properties:
  - url: https://docs.finix.com/
    type: Documentation
  - url: https://docs.finix.com/api
    type: APIReference
  - url: https://docs.finix.com/guides/getting-started
    type: GettingStarted
  - url: openapi/finix-openapi-original.yml
    type: OpenAPI
  - url: overlays/finix-openapi-overlay.yaml
    type: Overlay
  - url: authentication/finix-authentication.yml
    type: Authentication
  description: The Finix API is a HAL/HATEOAS REST API for accepting and sending card and bank payments. Resources include
    Identities, Merchants, Payment Instruments, Authorizations, Transfers, Settlements, Disputes, Fee Profiles, Verifications,
    Onboarding Forms, Devices, and Webhooks. Sandbox host finix.sandbox-payments-api.com; live host finix.live-payments-api.com.
    Current version 2022-02-01.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://finix.com/
- type: DeveloperPortal
  url: https://docs.finix.com/
- type: Documentation
  url: https://docs.finix.com/
- type: APIReference
  url: https://docs.finix.com/api
- type: GettingStarted
  url: https://docs.finix.com/guides/getting-started
- type: Support
  url: https://docs.finix.com/guides/getting-started/support-at-finix
- type: Blog
  url: https://finix.com/resources/blogs
- type: GitHubOrganization
  url: https://github.com/finix-payments
- type: Pricing
  url: https://finix.com/pricing
- type: SignUp
  url: https://finix.payments-dashboard.com/signup
- type: Login
  url: https://finix.payments-dashboard.com/
- type: TermsOfService
  url: https://finix.com/terms-and-policies
- type: PrivacyPolicy
  url: https://finix.com/terms-and-policies/privacy-policy
- type: PostmanWorkspace
  url: https://www.postman.com/finix
- type: Versioning
  url: https://docs.finix.com/additional-resources/developers/authentication-and-api-basics/versioning
- type: StatusPage
  url: https://status.finix.com/
- type: LLMsTxt
  url: llms/finix-llms.txt
- type: Authentication
  url: authentication/finix-authentication.yml
- type: Conventions
  url: conventions/finix-conventions.yml
- type: Idempotency
  url: conventions/finix-conventions.yml
- type: RateLimits
  url: rate-limits/finix-rate-limits.yml
- type: Packages
  url: packages/finix-packages.yml
- type: SDKs
  url: packages/finix-packages.yml
- type: Components
  url: components/finix-components.yml
- type: Sandbox
  url: sandbox/finix-sandbox.yml
- type: ErrorCatalog
  url: errors/finix-problem-types.yml
- type: DeclineCodes
  url: errors/finix-decline-codes.yml
- type: DataModel
  url: data-model/finix-data-model.yml
- type: Lifecycle
  url: lifecycle/finix-lifecycle.yml
- type: ChangeLog
  url: changelog/finix-changelog.yml
- type: Conformance
  url: conformance/finix-conformance.yml
- type: Compliance
  url: https://trust.finix.com/
- type: TrustCenter
  url: security/finix-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/finix-vulnerability-disclosure.yml
- type: Security
  url: https://trust.finix.com/
- type: DomainSecurity
  url: security/finix-domain-security.yml
- type: AgenticAccess
  url: agentic-access/finix-agentic-access.yml
- type: Webhooks
  url: asyncapi/finix-events-asyncapi.yml
- type: AsyncAPI
  url: asyncapi/finix-events-asyncapi.yml
- type: MCPServer
  url: https://docs.finix.com/mcp
  name: Finix MCP Server
  description: Finix's official remote MCP server (HTTP transport, no auth) exposes live Finix documentation and OpenAPI to
    MCP clients via tools search, list-apis, get-endpoints, get-endpoint-info, get-security-schemes, get-full-spec-document.
- type: AgentSkill
  url: skills/_index.yml
- type: Arazzo
  url: arazzo/finix-onboard-merchant-workflow.yml
  name: Finix Onboard Merchant
- type: Arazzo
  url: arazzo/finix-authorize-and-capture-workflow.yml
  name: Finix Authorize and Capture
- type: Arazzo
  url: arazzo/finix-tokenize-and-charge-workflow.yml
  name: Finix Tokenize and Charge
- type: Arazzo
  url: arazzo/finix-refund-transfer-workflow.yml
  name: Finix Refund Transfer
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence