# Quietforge x402 Service Index API

**Canonical:** https://apis.io/apis/quietforge/x402-service-index-api/  
**Provider:** Quietforge Studio — https://apis.io/providers/quietforge/  
**Base URL:** https://qf-api.quietforge-studio.workers.dev  
**Documentation:** https://quietforge-studio.pages.dev/x402-index/

Quietforge x402 Service Index API is one of 6 APIs that [Quietforge Studio](https://apis.io/providers/quietforge/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include x402, Agents, Discovery, Payments, and Directory. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and pricing.

A searchable, health-probed index of live x402 pay-per-call endpoints re-crawled from the Coinbase CDP and PayAI bazaars, with per-endpoint probe history and settlement-verified demand read from USDC Transfer logs on Base. Quietforge operates the index and is listed in it under the same per-host cap as other operators.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/x402/services` | Search the x402 service index |
| GET | `/v1/x402/services/{id}` | One indexed x402 endpoint plus its probe history |
| GET | `/v1/x402/demand` | Settlement-verified on-chain demand per x402 seller |

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/quietforge/refs/heads/main/openapi/quietforge-x402-index-api-openapi.yml
- **Documentation** — https://quietforge-studio.pages.dev/x402-index/
- **Pricing** — https://qf-api.quietforge-studio.workers.dev/.well-known/x402

## Other Quietforge Studio APIs (5)

- [Quietforge Document Conversion API](https://apis.io/apis/quietforge/document-conversion-api/)
- [Quietforge Puzzle Generation API](https://apis.io/apis/quietforge/puzzle-generation-api/)
- [Quietforge Book Typesetting API](https://apis.io/apis/quietforge/book-typesetting-api/)
- [Quietforge Family Tree Chart API](https://apis.io/apis/quietforge/family-chart-api/)
- [Quietforge Dataset Audit API](https://apis.io/apis/quietforge/dataset-audit-api/)

## Tags

x402, Agents, Discovery, Payments, Directory

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