# FreeAgent

**Canonical:** https://apis.io/providers/freeagent/  
**Website:** https://www.freeagent.com  
**APIs profiled:** 4

FreeAgent is UK-focused cloud accounting software for small businesses, freelancers, and accountants, providing invoicing, expense tracking, time tracking, project management, banking, payroll, and Self Assessment / VAT filing through HMRC's Making Tax Digital. The FreeAgent API is a RESTful service that exposes contacts, invoices, estimates, expenses, bills, timeslips, projects, bank accounts, bank transactions, transaction explanations, and tax timeline events for company accounts and accountancy practices. Authentication uses OAuth 2.0 (authorization code flow) and responses are available in JSON or XML.

## Kin Score — 34.9 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 34.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 52.4 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 23.7 |
| Access Clarity | 23.7 |

## Agent readiness — 28.1 (agent-aware)

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

## Access

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

## APIs (4)

- **FreeAgent REST API** — RESTful API for the FreeAgent cloud accounting platform. Provides full access to invoices, estimates, contacts, bills, expenses, projects, timeslips, bank accounts, transactions...
- **FreeAgent BankAccounts API** — The BankAccounts API from FreeAgent — 2 operation(s) for bankaccounts.
- **FreeAgent Contacts API** — The Contacts API from FreeAgent — 2 operation(s) for contacts.
- **FreeAgent Invoices API** — The Invoices API from FreeAgent — 10 operation(s) for invoices.

## Agentic access (1)

- **Freeagent Agentic Access** — 23 operations · 15 acting

## Security (3)

- **Freeagent Authentication** — oauth2 · 1 scheme
- **Freeagent Domain Security** — TLSv1.3 · HSTS · DMARC
- **Freeagent Vulnerability Disclosure** — security.txt · contact published

## Tags

Accounting, Small Business, Invoicing, Bookkeeping, Expenses, Payroll, VAT, HMRC, Making Tax Digital

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