# Coin Metrics Blockchain Metadata API

**Canonical:** https://apis.io/apis/coin-metrics/coin-metrics-blockchain-metadata-api/  
**Provider:** Coin Metrics — https://apis.io/providers/coin-metrics/  
**Base URL:** https://api.coinmetrics.io/v4  
**Documentation:** https://docs.coinmetrics.io/api/v4

Coin Metrics Blockchain Metadata API is one of 19 APIs that [Coin Metrics](https://apis.io/providers/coin-metrics/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Blockchain Metadata. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Blockchain metadata endpoints

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/blockchain-metadata/locations` | List of all available locations |
| GET | `/blockchain-metadata/owners` | List of all available owners |
| GET | `/blockchain-metadata/tags` | List of all available tags |
| GET | `/blockchain-metadata/tagged-entities` | The list of entities associated with provided tags |

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/coin-metrics/refs/heads/main/openapi/coin-metrics-blockchain-metadata-api-openapi.yml
- **Documentation** — https://coinmetrics.io/market-data-feed/
- **APIReference** — https://docs.coinmetrics.io/api/v4
- **Documentation** — https://coinmetrics.io/network-data-pro/
- **Documentation** — https://coinmetrics.io/indexes/
- **Documentation** — https://coinmetrics.io/reference-rates/
- **Documentation** — https://docs.coinmetrics.io/access-our-data/api
- **Documentation** — https://coinmetrics.io/community-network-data/
- **Documentation** — https://coinmetrics.io/atlas/
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/coin-metrics/refs/heads/main/overlays/coin-metrics-blockchain-metadata-api-overlay.yaml

## Other Coin Metrics APIs (12)

- [Coin Metrics Blockchain Explorer Job API](https://apis.io/apis/coin-metrics/coin-metrics-blockchain-explorer-job-api/)
- [Coin Metrics Catalog API](https://apis.io/apis/coin-metrics/coin-metrics-catalog-api/)
- [Coin Metrics Catalog v2 API](https://apis.io/apis/coin-metrics/coin-metrics-catalog-v2-api/)
- [Coin Metrics Chain Monitor tools API](https://apis.io/apis/coin-metrics/coin-metrics-chain-monitor-tools-api/)
- [Coin Metrics Constituent Snapshots API](https://apis.io/apis/coin-metrics/coin-metrics-constituent-snapshots-api/)
- [Coin Metrics Constituent Timeframes API](https://apis.io/apis/coin-metrics/coin-metrics-constituent-timeframes-api/)
- [Coin Metrics Full blockchain entities v2 API](https://apis.io/apis/coin-metrics/coin-metrics-full-blockchain-entities-v2-api/)
- [Coin Metrics Full catalog API](https://apis.io/apis/coin-metrics/coin-metrics-full-catalog-api/)
- [Coin Metrics Full catalog v2 API](https://apis.io/apis/coin-metrics/coin-metrics-full-catalog-v2-api/)
- [Coin Metrics Jobs API](https://apis.io/apis/coin-metrics/coin-metrics-jobs-api/)
- [Coin Metrics List of blockchain entities v2 API](https://apis.io/apis/coin-metrics/coin-metrics-list-of-blockchain-entities-v2-api/)
- [Coin Metrics Profile API](https://apis.io/apis/coin-metrics/coin-metrics-profile-api/)

## Tags

Blockchain Metadata

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