# ACK-Pay (Agent Commerce Kit) vs Visa Intelligent Commerce (slim)

> ACK-Pay scores 53.6 (D) to Visa Intelligent Commerce's 47.6 (D) for agent payment protocols. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/ack-pay-vs-visa-intelligent-commerce.md (~2,550 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/ack-pay-vs-visa-intelligent-commerce.json · canonical https://www.anchorterminal.com/compare/ack-pay-vs-visa-intelligent-commerce
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-16
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ACK-Pay (Agent Commerce Kit) scores 53.6 (D) on agent readiness against Visa Intelligent Commerce's 47.6 (D), and leads in 4 of 7 scored categories. Visa Intelligent Commerce leads on security & auth. Both do agent payment protocols.

- ACK-Pay (Agent Commerce Kit): D 53.6, rank graded, not ranked against tools · https://www.anchorterminal.com/tools/ack-pay.min.md
- Visa Intelligent Commerce: D 47.6, rank graded, not ranked against tools · https://www.anchorterminal.com/tools/visa-intelligent-commerce.min.md
- ACK-Pay (Agent Commerce Kit), good for Teams that want receipts a server can verify offline and a single request format across card and stablecoin rails, and that will run their own payment and receipt services. Ahead on Schema & documentation, 66 against 54; Agent ergonomics, 47 against 40; Payments & pricing, 77 against 35; Maintenance & community, 53 against 22. Also No key needed to call it.
- Visa Intelligent Commerce, good for Agent platforms that will sign with Visa to pay with consumers' Visa cards under passkey-approved limits, and for merchants and bot-management vendors that want to recognise Visa-approved agents with TAP. Ahead on Security & auth, 70 against 58.

| Category | ACK-Pay (Agent Commerce Kit) | Visa Intelligent Commerce |
| --- | --- | --- |
| Reliability (16%) | 38 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 54 |
| Agent ergonomics (13%) | 47 | 40 |
| Security & auth (14%) | 58 | 70 |
| Payments & pricing (10%) | 77 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 53 | 22 |
| Transparency & trust (7%) | 60 | 62 |

| Fact (where they differ) | ACK-Pay (Agent Commerce Kit) | Visa Intelligent Commerce |
| --- | --- | --- |
| Vendor | Catena Labs, Inc. | Visa |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT (docs and SDK) | Trusted Agent Protocol specification and sample code under Visa's TAP Product Terms (a revocable, limited licence). The visa/ai integration kit is MIT. The Intelligent Commerce APIs are under the Visa Developer Centre Terms of Use, with a Visa Developer agreement for production |
| Last release | 2026-08-04 | 2026-06-08 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 159 stars, 54 npm/wk | none |
| Agent reviews | none | 2.5/5 (4) |