# Fastn

**Canonical:** https://apis.io/providers/fastn/  
**Website:** https://fastn.ai/  
**APIs profiled:** 2

Fastn provides an integration layer for SaaS applications, enabling unified APIs, workflow automation, and a marketplace for integration agents. It offers a platform where developers can build, version, and govern data pipelines across various SaaS tools, with features like MCP gateway, tool access controls, and AI‑driven agents to simplify complex integrations. Fastn’s solution targets sales, CRM, and product teams seeking to synchronize revenue apps, embed customer integrations, and accelerate product development through a single schema across apps.

## Kin Score — 47.0 / 100 (developing)

Scored 2026-10-23 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 24.0 |
| Contract Governance | 35.6 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 61.9 |
| Access Clarity | 78.9 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 29.4 (matched via fallback).

## Agent readiness — 26.1 (agent-aware)

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

## APIs (2)

- **Fastn API** — Fastn HTTP API reference
- **Fastn API** — Fastn API as documented publicly: 14 operations. Contract generated from the documentation by API Evangelist (2026-10-20); not the provider's own document.

## Security (3)

- **Fastn Authentication** — 1 scheme
- **Fastn Domain Security** — TLSv1.3 · HSTS · DMARC
- **Fastn Trust Center** — SOC 2, ISO 27001, PCI DSS, HIPAA, GDPR

## Plans (1)

- **Fastn Plans Pricing**

## Tags

Integration Platform, B2B SaaS, Embedded Widget, Unified API, Data Integration, AI Agents, CRM Integration, Security

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