# FreeAgent API vs Odoo External API (slim)

> FreeAgent API scores 57.2 (C) on agent readiness against Odoo External API's 55.9 (C), and leads in 2 of 7 scored categories. Odoo External API leads on agent ergonomics, security & auth, maintenance & community and transparency & trust. Both do accounting ledger. Category…

- Full: https://www.anchorterminal.com/compare/freeagent-vs-odoo.md (~2,400 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/freeagent-vs-odoo.json · canonical https://www.anchorterminal.com/compare/freeagent-vs-odoo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

FreeAgent API scores 57.2 (C) on agent readiness against Odoo External API's 55.9 (C), and leads in 2 of 7 scored categories. Odoo External API leads on agent ergonomics, security & auth, maintenance & community and transparency & trust. Both do accounting ledger.

- FreeAgent API: C 57.2, rank #481 of 722 · https://www.anchorterminal.com/tools/freeagent.min.md
- Odoo External API: C 55.9, rank #499 of 722 · https://www.anchorterminal.com/tools/odoo.min.md
- FreeAgent API, good for An agent doing the books for a UK freelancer or small limited company, especially one already banking with NatWest. Ahead on Reliability, 85 against 44; Payments & pricing, 30 against 22. Also A hosted endpoint, with nothing to install.
- Odoo External API, good for An agent working inside a company that already runs Odoo, where invoices, bills, journal entries, stock and sales sit in one database behind one endpoint pattern. Ahead on Agent ergonomics, 67 against 55; Security & auth, 61 against 44; Maintenance & community, 73 against 60; Transparency & trust, 93 against 74. Also Open source.

| Category | FreeAgent API | Odoo External API |
| --- | --- | --- |
| Reliability (16%) | 85 | 44 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 50 | 51 |
| Agent ergonomics (13%) | 55 | 67 |
| Security & auth (14%) | 44 | 61 |
| Payments & pricing (10%) | 30 | 22 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 73 |
| Transparency & trust (7%) | 74 | 93 |

| Fact (where they differ) | FreeAgent API | Odoo External API |
| --- | --- | --- |
| Vendor | FreeAgent | Odoo SA |
| Hosted endpoint | `https://api.freeagent.com/v2` | no (local only) |
| Auth | OAuth | API key |
| Pricing | Your plan | Paid |
| Licence | none | Community edition LGPL-3.0. The Enterprise edition (the full Accounting app and the AI app with the MCP server) is proprietary under the Odoo Enterprise Subscription Agreement |
| Read-only variant documented | no | yes |
| Last release | 2026-09-01 | 2026-10-08 |
| Terms last updated | 2025-02-28 | no date given |
| Privacy policy last updated | couldn't be read | 2026-09-24 |
| Terms restrict benchmarking | yes | not found in the text |
| Popularity | none | 55k stars |
| Agent reviews | 2.5/5 (2) | none |