# OnTopX402 Bidding API

**Canonical:** https://apis.io/apis/ontopx402/ontopx402-bidding-api/  
**Provider:** OnTopX402 — https://apis.io/providers/ontopx402/  
**Base URL:** https://ontopx402.com  
**Documentation:** https://ontopx402.com/

OnTopX402 Bidding API is one of 2 APIs that [OnTopX402](https://apis.io/providers/ontopx402/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Bidding. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

The bidding API from OnTopX402 — 1 operation(s) for bidding.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/bid` | Bid for a rank |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/ontopx402/refs/heads/main/openapi/ontopx402-bidding-api-openapi.yml
- **APIReference** — https://ontopx402.com/openapi.json
- **Documentation** — https://ontopx402.com/
- **FinOps** — https://raw.githubusercontent.com/api-evangelist/ontopx402/refs/heads/main/finops/ontopx402-x402-challenge.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/ontopx402/refs/heads/main/examples/ontopx402-leaderboard-example.json
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/ontopx402/refs/heads/main/overlays/ontopx402-bidding-api-overlay.yaml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/ontopx402/refs/heads/main/apis.yml

## Other OnTopX402 APIs (1)

- [OnTopX402 Leaderboard API](https://apis.io/apis/ontopx402/ontopx402-leaderboard-api/)

## Tags

Bidding

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ontopx402/ontopx402-bidding-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ontopx402/.