# Fonoa vs Zamp (slim)

> Fonoa scores 51.7 (D) on agent readiness against Zamp's 49.5 (D), and leads in 3 of 7 scored categories. Zamp leads on reliability and payments & pricing. Both do tax calculate. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/fonoa-vs-zamp.md (~2,150 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/fonoa-vs-zamp.json · canonical https://www.anchorterminal.com/compare/fonoa-vs-zamp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Fonoa scores 51.7 (D) on agent readiness against Zamp's 49.5 (D), and leads in 3 of 7 scored categories. Zamp leads on reliability and payments & pricing. Both do tax calculate.

- Fonoa: D 51.7, rank #575 of 722 · https://www.anchorterminal.com/tools/fonoa.min.md
- Zamp: D 49.5, rank #609 of 722 · https://www.anchorterminal.com/tools/zamp.min.md
- Fonoa, good for An agent working for a company that already has a Fonoa contract and needs tax ID validation, VAT or GST calculation, or e-invoice reporting across many countries through one API. Ahead on Schema & documentation, 68 against 44; Security & auth, 47 against 40; Maintenance & community, 49 against 42.
- Zamp, good for An agent working for a US or Canadian seller that wants Zamp's team to register, file and remit, and needs calculation and transaction sync through a small API. Ahead on Reliability, 72 against 66; Payments & pricing, 20 against 3. Also Free to start without a card.

| Category | Fonoa | Zamp |
| --- | --- | --- |
| Reliability (16%) | 66 | 72 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 68 | 44 |
| Agent ergonomics (13%) | 64 | 64 |
| Security & auth (14%) | 47 | 40 |
| Payments & pricing (10%) | 3 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 49 | 42 |
| Transparency & trust (7%) | 48 | 50 |

| Fact (where they differ) | Fonoa | Zamp |
| --- | --- | --- |
| Vendor | Fonoa Technologies Limited | Zamp Inc. |
| Hosted endpoint | `https://api.fonoa.com` | `https://api.zamp.com` |
| Licence | Proprietary service. The API contract is not published. The public Terms of Service took effect on 14 May 2020 and name older seller sites | Proprietary service under Zamp's Standard Terms and Conditions, which form part of a signed Order Form. The sandbox has its own Developer trial terms |
| Last release | 2026-10-02 | 2026-08-31 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no date given | 2025-02-11 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |