# Agnic X402 API

**Canonical:** https://apis.io/apis/agnic-ai/x402-api/  
**Provider:** Agnic — https://apis.io/providers/agnic-ai/  
**Base URL:** https://api.agnic.ai  
**Documentation:** https://docs.agnic.ai/docs/x402

Agnic X402 API is one of 3 APIs that [Agnic](https://apis.io/providers/agnic-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 4 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 4 JSON Schemas.

Agnic X402 API as documented publicly: 3 operations. Contract generated from the documentation by API Evangelist (2026-11-01); not the provider's own document.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/sign-payment` | POST /api/sign-payment |
| POST | `/endpoint` | POST /endpoint |
| GET | `/paid-endpoint` | GET /paid-endpoint |

## Machine-readable artifacts (5)

- **OpenAPI** — https://artifacts.apis.io/agnic-ai/openapi/_ae-authored/agnic-ai-x402-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/agnic-ai/json-schema/agnic-ai-get-paid-endpoint-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/agnic-ai/json-schema/agnic-ai-post-api-sign-payment-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/agnic-ai/json-schema/agnic-ai-post-endpoint-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/agnic-ai/json-schema/agnic-ai-post-endpoint-request-schema.json

## Other Agnic APIs (2)

- [Agnic API Reference API](https://apis.io/apis/agnic-ai/api-reference-api/)
- [Agnic core API](https://apis.io/apis/agnic-ai/core-api/)

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