---
title: "List all blockchain chains"
method: GET
path: "/v1/chains"
tags: ["Metadata"]
---

# List all blockchain chains

`GET /v1/chains`

Retrieves all blockchain chains supported by the system.
            
:::info
Properties of the output are providing aggregated information from across all symbols related to the specific chain. If you need to calculate your aggregation (e.g., limiting only the particular type of symbols), you should use /v1/symbols endpoint as a data source.
:::

## Query parameters

- `filter_chain_id` string

## Response `200`

successful operation

- MarketDataMetadataChain[]
  - `chain_id` string, nullable — Gets or sets the chain identifier.
  - `name` string, nullable — Gets or sets the name of the chain.

---

[API](https://skmtc.net/coinapi/apis/coinapi-market-data-rest-api.md) · [All operations](https://skmtc.net/coinapi/apis/coinapi-market-data-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/coinapi/coinapi-market-data-rest-api/revisions/805496271c56/schema)