# Finix

**Canonical:** https://apis.io/providers/finix/  
**Website:** https://finix.com/  
**APIs profiled:** 1

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.

## Kin Score — 68.4 / 100 (exemplar)

Scored 2026-08-30 under rubric 0.17.2. Trend: flat (-0.6 from 69.0).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 63.3 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 73.7 |
| Developer Ergonomics | 78.0 |
| Commercial Clarity | 53.9 |
| Access Clarity | 53.9 |

Regulatory layer — **Payments**: 78.1 (matched via tags).

## Agent readiness — 38.8 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | documented |
| Error Semantics | documented |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (19)

- **Finix Authorizations API** — {'$ref': 'api-descriptions/tags/authorizations.md'}
- **Finix Balance Transfers API** — {'$ref': 'api-descriptions/tags/balance-transfers.md'}
- **Finix Compliance Forms API** — {'$ref': 'api-descriptions/tags/compliance-forms.md'}
- **Finix Devices API** — {'$ref': 'api-descriptions/tags/devices.md'}
- **Finix Disputes API** — {'$ref': 'api-descriptions/tags/disputes.md'}
- **Finix Fee Profiles API** — {'$ref': 'api-descriptions/tags/fee-profiles.md'}
- **Finix Files API** — {'$ref': 'api-descriptions/tags/files.md'}
- **Finix Identities API** — {'$ref': 'api-descriptions/tags/identities.md'}
- **Finix Instrument Updates API** — {'$ref': 'api-descriptions/tags/instrument-updates.md'}
- **Finix Merchant Profiles API** — {'$ref': 'api-descriptions/tags/merchant-profiles.md'}
- **Finix Merchants API** — {'$ref': 'api-descriptions/tags/merchants.md'}
- **Finix Onboarding Forms API** — {'$ref': 'api-descriptions/tags/onboarding-forms.md'}
- **Finix Payment Instruments API** — {'$ref': 'api-descriptions/tags/payment-instruments.md'}
- **Finix Payout Profiles API** — {'$ref': 'api-descriptions/tags/payout-profiles.md'}
- **Finix Settlements API** — {'$ref': 'api-descriptions/tags/settlements.md'}
- **Finix Split Transfers API** — {'$ref': 'api-descriptions/tags/split-transfers.md'}
- **Finix Transfers API** — {'$ref': 'api-descriptions/tags/transfers.md'}
- **Finix Verifications API** — {'$ref': 'api-descriptions/tags/verifications.md'}
- **Finix Webhooks API** — {'$ref': 'api-descriptions/tags/webhooks.md'}

## MCP servers (1)

- **Finix MCP Server** — 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...

## Agentic access (1)

- **Finix Agentic Access** — 91 operations · 39 acting

## Security (4)

- **Finix Authentication** — http · 1 scheme
- **Finix Domain Security** — TLSv1.3 · HSTS · DMARC
- **Finix Vulnerability Disclosure** — contact published
- **Finix Trust Center** — SOC 1, SOC 2, PCI DSS

## Tags

Company, Fintech, Payments, Payment Processing, Payment Facilitation, Merchant Onboarding, Payouts, Marketplaces

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/finix/). Scores are computed from the provider's own public artifacts under a published rubric.