# Celestia Node Header API

**Canonical:** https://apis.io/apis/celestia/celestia-header-api/  
**Provider:** celestia — https://apis.io/providers/celestia/  
**Documentation:** https://node-rpc-docs.celestia.org/

Celestia Node Header API is one of 10 APIs that [celestia](https://apis.io/providers/celestia/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification. This API exposes 1 JSON Schema definition. Tagged areas include Celestia, Header, and JSON-RPC. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, an AsyncAPI specification, and 1 JSON Schema.

JSON-RPC methods in the header module of celestia-node. Query ExtendedHeaders with header.LocalHead, header.NetworkHead, header.GetByHeight, header.GetByHash, and header.GetRangeByHeight; track sync state with header.SyncState and header.SyncWait; and subscribe to new headers with header.Subscribe.

## Machine-readable artifacts (5)

- **Documentation** — https://node-rpc-docs.celestia.org/
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/celestia/refs/heads/main/openapi/celestia-header-api-openapi.yml
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/celestia/refs/heads/main/openapi/celestia-subscriptions-asyncapi.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/celestia/refs/heads/main/json-schema/celestia-extended-header-schema.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/celestia/refs/heads/main/examples/celestia-header-getbyheight-example.json

## Other celestia APIs (9)

- [Celestia Node Blob API](https://apis.io/apis/celestia/celestia-blob-api/)
- [Celestia Node DA API](https://apis.io/apis/celestia/celestia-da-api/)
- [Celestia Node Share API](https://apis.io/apis/celestia/celestia-share-api/)
- [Celestia Node State API](https://apis.io/apis/celestia/celestia-state-api/)
- [Celestia Node DAS API](https://apis.io/apis/celestia/celestia-das-api/)
- [Celestia Node Fraud API](https://apis.io/apis/celestia/celestia-fraud-api/)
- [Celestia Node P2P API](https://apis.io/apis/celestia/celestia-p2p-api/)
- [Celestia Node Admin API](https://apis.io/apis/celestia/celestia-node-api/)
- [Celestia Node Blobstream API](https://apis.io/apis/celestia/celestia-blobstream-api/)

## Tags

Celestia, Header, JSON-RPC

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