# AINumbers.co X402 API

**Canonical:** https://apis.io/apis/ainumbers-co/ainumbers-co-x402-api/  
**Provider:** AINumbers.co — https://apis.io/providers/ainumbers-co/  
**Base URL:** https://ainumbers.co  
**Documentation:** https://ainumbers.co/

AINumbers.co X402 API is one of 266 APIs that [AINumbers.co](https://apis.io/providers/ainumbers-co/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include x402. The published artifact set on APIs.io includes an OpenAPI specification.

The x402 API from AINumbers.co — 6 operation(s) for x402.

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/tools/decode_x402_payment` | x402 Header Decoder, Payload Linter & 402 Flow Simulator |
| POST | `/v1/tools/x402_micropayment_pricing_modeler` | x402 Micropayment Pricing Modeler |
| POST | `/v1/tools/verify_x402_payment_envelope` | x402 Payment Envelope Verifier |
| POST | `/v1/tools/verify_vpsf_claim_composite` | VPSF Claim Algebra Verifier |
| POST | `/v1/tools/emit_x402_spendevidence_vpsf_claims` | x402 Spend-Evidence VPSF Bridge |
| POST | `/v1/tools/recompute_x402_permit2_digest` | X402 Permit2 Evidence Recomputer |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/ainumbers-co/openapi/ainumbers-co-x402-api-openapi.yml

## Other AINumbers.co APIs (12)

- [AINumbers.co 1099 Da API](https://apis.io/apis/ainumbers-co/ainumbers-co-1099-da-api/)
- [AINumbers.co A16z API](https://apis.io/apis/ainumbers-co/ainumbers-co-a16z-api/)
- [AINumbers.co A2A API](https://apis.io/apis/ainumbers-co/ainumbers-co-a2a-api/)
- [AINumbers.co ACH API](https://apis.io/apis/ainumbers-co/ainumbers-co-ach-api/)
- [AINumbers.co ACP API](https://apis.io/apis/ainumbers-co/ainumbers-co-acp-api/)
- [AINumbers.co Agent Guardrail Mandate API](https://apis.io/apis/ainumbers-co/ainumbers-co-agent-guardrail-mandate-api/)
- [AINumbers.co agent spend control API](https://apis.io/apis/ainumbers-co/ainumbers-co-agent-spend-control-api/)
- [AINumbers.co Agent Traffic API](https://apis.io/apis/ainumbers-co/ainumbers-co-agent-traffic-api/)
- [AINumbers.co agentic payments API](https://apis.io/apis/ainumbers-co/ainumbers-co-agentic-payments-api/)
- [AINumbers.co Agreement API](https://apis.io/apis/ainumbers-co/ainumbers-co-agreement-api/)
- [AINumbers.co Aiuc 1 API](https://apis.io/apis/ainumbers-co/ainumbers-co-aiuc-1-api/)
- [AINumbers.co AMLA API](https://apis.io/apis/ainumbers-co/ainumbers-co-amla-api/)

## Tags

x402

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ainumbers-co/ainumbers-co-x402-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ainumbers-co/.