# ATXP vs Circle Gateway Nanopayments (slim)

> Circle Gateway Nanopayments scores 67.6 (B) to ATXP's 42.9 (E) for stablecoin payments. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/atxp-vs-circle-gateway-nanopayments.md (~2,450 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/atxp-vs-circle-gateway-nanopayments.json · canonical https://www.anchorterminal.com/compare/atxp-vs-circle-gateway-nanopayments
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Circle Gateway Nanopayments scores 67.6 (B) on agent readiness against ATXP's 42.9 (E), and leads in every scored category. Both do stablecoin payments.

- ATXP: E 42.9, rank #887 of 950 · https://www.anchorterminal.com/tools/atxp.min.md
- Circle Gateway Nanopayments: B 67.6, rank #247 of 950 · https://www.anchorterminal.com/tools/circle-gateway-nanopayments.min.md
- ATXP, good for An agent that needs to start with no human signup and pay small amounts for inference, search, media, email or SMS from one balance, and builders who want to charge per MCP tool call. Also No incidents deducted, where Circle Gateway Nanopayments loses 3 points for them.
- Circle Gateway Nanopayments, good for Sellers charging fractions of a cent per API call and agents making many small payments from one prefunded balance on EVM chains. Ahead on Reliability, 56 against 13; Schema & documentation, 80 against 54; Agent ergonomics, 75 against 51; Security & auth, 64 against 41; Payments & pricing, 80 against 75; Maintenance & community, 77 against 33; Transparency & trust, 72 against 43. Also No key needed to call it.

| Category | ATXP | Circle Gateway Nanopayments |
| --- | --- | --- |
| Reliability (16%) | 13 | 56 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 54 | 80 |
| Agent ergonomics (13%) | 51 | 75 |
| Security & auth (14%) | 41 | 64 |
| Payments & pricing (10%) | 75 | 80 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 33 | 77 |
| Transparency & trust (7%) | 43 | 72 |

| Fact (where they differ) | ATXP | Circle Gateway Nanopayments |
| --- | --- | --- |
| Vendor | Circuit & Chisel, Inc. | Circle |
| Hosted endpoint | `https://llm.atxp.ai/v1` | `https://gateway-api.circle.com` |
| Auth | OAuth or key | None |
| Licence | Proprietary hosted service under Circuit & Chisel's Terms of Service. The SDK packages and the `atxp` CLI on GitHub are MIT | Proprietary hosted service under the Circle Developer Terms. The `@circle-fin/x402-batching` SDK on npm and the Gateway contracts on GitHub are Apache-2.0 |
| Last release | 2026-06-02 | 2026-09-16 |
| Terms last updated | 2025-09-03 | 2026-09-16 |
| Privacy policy last updated | 2026-06-17 | no date given |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 6 stars, 499 npm/wk | 17k npm/wk |