# Kintsugi vs Zamp (slim) > Kintsugi scores 60.7 (C) on agent readiness against Zamp's 49.5 (D), and leads in 6 of 7 scored categories. Zamp leads on payments & pricing. Both do tax calculate. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/kintsugi-vs-zamp.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/kintsugi-vs-zamp.json · canonical https://www.anchorterminal.com/compare/kintsugi-vs-zamp - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08 Kintsugi scores 60.7 (C) on agent readiness against Zamp's 49.5 (D), and leads in 6 of 7 scored categories. Zamp leads on payments & pricing. Both do tax calculate. - Kintsugi: C 60.7, rank #392 of 722 · https://www.anchorterminal.com/tools/kintsugi.min.md - Zamp: D 49.5, rank #609 of 722 · https://www.anchorterminal.com/tools/zamp.min.md - Kintsugi, good for An agent working for a seller that already has Kintsugi Premium and wants estimates, transaction sync, exemptions, nexus, registrations and filing status through one API, or read-only answers about an account through the OAuth MCP server. Ahead on Schema & documentation, 87 against 44; Agent ergonomics, 75 against 64; Security & auth, 52 against 40; Maintenance & community, 78 against 42; Transparency & trust, 60 against 50. - 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 Payments & pricing, 20 against 13. Also Free to start without a card; No incidents deducted, where Kintsugi loses 3 points for them. | Category | Kintsugi | Zamp | | --- | --- | --- | | Reliability (16%) | 73 | 72 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 87 | 44 | | Agent ergonomics (13%) | 75 | 64 | | Security & auth (14%) | 52 | 40 | | Payments & pricing (10%) | 13 | 20 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 78 | 42 | | Transparency & trust (7%) | 60 | 50 | | Fact (where they differ) | Kintsugi | Zamp | | --- | --- | --- | | Vendor | Kintsugi AI, Inc. | Zamp Inc. | | Hosted endpoint | `https://api.trykintsugi.com` | `https://api.zamp.com` | | Transports | HTTP, Streamable HTTP | HTTP | | Auth | OAuth or key | API key | | Licence | Proprietary service under the Kintsugi Terms of Service. The Python SDK repository is MIT | 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 | | Tools exposed | 55 | none | | Read-only variant documented | yes | no | | Last release | 2026-10-07 | 2026-08-31 | | Terms last updated | 2026-09-29 | no date given | | Privacy policy last updated | 2025-04-13 | 2025-02-11 | | Customer content may train models | yes | not found in the text | | Arbitration or class-action waiver | yes | not found in the text | | Popularity | 71 npm/wk, 10 PyPI/wk | none |