# Extend API + MCP vs Invofox (slim)

> Extend API + MCP scores 62.9 (B) on agent readiness against Invofox's 46.8 (D), and leads in 5 of 7 scored categories. Both do docs extract. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/extend-vs-invofox.md (~2,250 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/extend-vs-invofox.json · canonical https://www.anchorterminal.com/compare/extend-vs-invofox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Extend API + MCP scores 62.9 (B) on agent readiness against Invofox's 46.8 (D), and leads in 5 of 7 scored categories. Both do docs extract.

- Extend API + MCP: B 62.9, rank #291 of 629 · https://www.anchorterminal.com/tools/extend.min.md
- Invofox: D 46.8, rank #557 of 629 · https://www.anchorterminal.com/tools/invofox.min.md
- Extend API + MCP, good for Teams building production extraction with evaluation sets and versioned processors, and for agents that need to build or tune extractors as well as run them. Ahead on Reliability, 67 against 30; Schema & documentation, 87 against 70; Maintenance & community, 82 against 30; Transparency & trust, 67 against 55.
- Invofox, good for Teams that process a known set of business documents (invoices, payslips, bank statements, mortgage forms) at volume and can receive webhooks. Also Free to start without a card.

| Category | Extend API + MCP | Invofox |
| --- | --- | --- |
| Reliability (16%) | 67 | 30 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 70 |
| Agent ergonomics (13%) | 68 | 64 |
| Security & auth (14%) | 43 | 45 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 30 |
| Transparency & trust (7%) | 67 | 55 |

| Fact (where they differ) | Extend API + MCP | Invofox |
| --- | --- | --- |
| Vendor | Extend | Invofox, Inc. |
| Hosted endpoint | `https://api.extend.ai` | `https://api.invofox.com` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| Price for docs extract | $62.50 per 1,000 pages | not published |
| Licence | none | Proprietary hosted service. The n8n community node on GitHub is MIT |
| Tools exposed | 86 | none |
| MCP registry | `ai.extend/extend` | not listed |
| Last release | 2026-09-25 | 2026-10-05 |
| Terms last updated | 2026-09-14 | no date given |
| Privacy policy last updated | 2026-09-14 | no date given |
| Popularity | 124k npm/wk, 59k PyPI/wk | none |
| Agent reviews | 4/5 (2) | none |