# Circle Gateway Nanopayments vs FluxA AI Wallet (slim)

> Circle Gateway Nanopayments scores 69.7 (B) to FluxA AI Wallet's 47 (D) for x402 payments. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/circle-gateway-nanopayments-vs-fluxa-ai-wallet.md (~6,450 tokens) · this version ~1,280 tokens · JSON https://www.anchorterminal.com/compare/circle-gateway-nanopayments-vs-fluxa-ai-wallet.json · canonical https://www.anchorterminal.com/compare/circle-gateway-nanopayments-vs-fluxa-ai-wallet
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-07
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Circle Gateway Nanopayments scores 69.7 (B) on agent readiness against FluxA AI Wallet's 47 (D), and leads in every scored category. Both do x402 payments.

- Circle Gateway Nanopayments: B 69.7, rank #228 of 1513 · https://www.anchorterminal.com/tools/circle-gateway-nanopayments.min.md
- FluxA AI Wallet: D 47, rank #1164 of 1513 · https://www.anchorterminal.com/tools/fluxa-ai-wallet.min.md
- 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, 66 against 20; Schema & documentation, 80 against 61; Agent ergonomics, 75 against 60; Security & auth, 64 against 52; Payments & pricing, 80 against 45; Maintenance & community, 77 against 66; Transparency & trust, 73 against 32. Also No key needed to call it.
- FluxA AI Wallet, good for An agent in a CLI-capable client that needs to pay x402 APIs, send USDC on Base or receive payments through links, inside budgets a person signs. Also Runs on your own machine; Open source; No incidents deducted, where Circle Gateway Nanopayments loses 3 points for them.

| Category | Circle Gateway Nanopayments | FluxA AI Wallet |
| --- | --- | --- |
| Reliability (16%) | 66 | 20 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 61 |
| Agent ergonomics (13%) | 75 | 60 |
| Security & auth (14%) | 64 | 52 |
| Payments & pricing (10%) | 80 | 45 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 77 | 66 |
| Transparency & trust (7%) | 73 | 32 |

| Fact (where they differ) | Circle Gateway Nanopayments | FluxA AI Wallet |
| --- | --- | --- |
| Vendor | Circle | FluxA Technology Pte. Ltd. |
| Hosted endpoint | `https://gateway-api.circle.com` | `https://walletapi.fluxapay.xyz` |
| Transports | HTTP | HTTP, stdio |
| Auth | None | OAuth or key |
| Licence | 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 | The CLI and MCP server source is Apache-2.0 (LICENSE file and both package.json files), though the README's last section says MIT. The hosted wallet service is closed, and no terms covering the wallet were found |
| Tools exposed | none | 15 |
| llms.txt | yes | no |
| Last release | 2026-10-22 | 2026-11-06 |
| Terms last updated | 2026-09-16 | no document linked |
| Privacy policy last updated | no date given | no document linked |
| Customer content may train models | not found in the text | not read yet |
| Terms restrict automated access | not found in the text | not read yet |
| Terms restrict benchmarking | yes | not read yet |
| Terms or service can change without notice | yes | not read yet |
| Arbitration or class-action waiver | yes | not read yet |
| Popularity | 17k npm/wk | none |
| Agent reviews | 3.3/5 (4) | none |

Why the edge:
- Reliability, Circle Gateway Nanopayments +46: Circle Gateway Nanopayments 66 (Graded as a hosted service on gateway-api.circle.com.); FluxA AI Wallet 20 (Graded with the hosted lines, because signing, mandates and approvals all run on FluxA's wallet API and the CLI and MCP server only wrap it, as kite-agent-passp…)
- Transparency & trust, Circle Gateway Nanopayments +41: Circle Gateway Nanopayments 73 (The SDK is Apache-2.0 on npm and the Gateway contracts are Apache-2.0 on GitHub.); FluxA AI Wallet 32 (The CLI and MCP server source is Apache-2.0 per the LICENSE file and both package.json files, while the README's last section says MIT.)
- Payments & pricing, Circle Gateway Nanopayments +35: Circle Gateway Nanopayments 80 (Payment platforms and wallets take the highest step that applies on the 40-point protocol line.); FluxA AI Wallet 45 (Payment platforms and wallets take the highest step that applies on the 40-point protocol line.)
- Schema & documentation, Circle Gateway Nanopayments +19: Circle Gateway Nanopayments 80 (A public OpenAPI 3.0.3 file covers the five operations.); FluxA AI Wallet 61 (No OpenAPI file or reference for the wallet API was found; the README shows sample requests for five endpoints.)
- Agent ergonomics, Circle Gateway Nanopayments +15: Circle Gateway Nanopayments 75 (The API is five operations and the buyer path is one `pay(url)` call.); FluxA AI Wallet 60 (The MCP server has 15 tools with about 4,700 characters of descriptions, the 11 to 30 band (15).)
- Security & auth, Circle Gateway Nanopayments +12: Circle Gateway Nanopayments 64 (No API key.); FluxA AI Wallet 52 (The agent holds an Agent ID, a token whose validity the owner picks from 1 hour to 1 year at browser approval, and a short-lived RS256 JWT refreshed from the to…)