---
title: "List blockchains"
method: GET
path: "/blockchains"
tags: ["Blockchains & assets"]
---

# List blockchains

`GET /blockchains`

## Request

- Base URL: `https://api.fireblocks.io/v1`
- URL: `https://api.fireblocks.io/v1/blockchains`
- Auth: none declared
- TypeScript: <https://skmtc.dev/fireblocks/apis/fireblocks-api/docs/blockchains/get.ts> (a function with typed inputs; its response is checked against the schema)

Returns all blockchains supported by Fireblocks.

## Query parameters

- `protocol` string
- `deprecated` boolean
- `test` boolean
- `ids` string[]
- `pageCursor` string
- `pageSize` number

## Response `200`

List of supported blockchains

- ListBlockchainsResponse
  - `data` BlockchainResponse[], required: The data of the current page
    - `id` string, required: The ID of the blockchain
    - `legacyId` string, required: The old blockchain ID representation of the blockchain
    - `displayName` string, required: The name of the blockchain
    - `nativeAssetId` string, required: Native asset ID of this blockchain
    - `onchain` BlockchainOnchain, required
      - `protocol` string, required: The protocol of the blockchain
      - `chainId` string: Network/chain ID
      - `test` boolean, required: Is test blockchain
      - `signingAlgo` 'ECDSA_SECP256K1' | 'EDDSA_ED25519', required: Signing alghorithm
    - `metadata` BlockchainMetadata, required
      - `scope` 'GLOBAL' | 'LOCAL', required: The scope of the asset
      - `deprecated` boolean, required: Is blockchain deprecated
      - `media` BlockchainMedia[]: Blockchain’s media
        - `url` string, required: Media URL
        - `type` 'image/svg+xml' | 'image/png', required: Media type
      - `explorer` BlockchainExplorer
        - `base` string, required: Explorer base url
        - `address` string: Explorer address url
        - `tx` string: Explorer transaction url
        - `token` string: Explorer token url
  - `next` string, nullable, required: Cursor to the next page

## Other responses

- `500`: Error occurred while listing blockchains
- `default`: Error Response

---

[API](https://skmtc.dev/fireblocks/apis/fireblocks-api.md) - [All operations](https://skmtc.dev/fireblocks/apis/fireblocks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fireblocks/apis/fireblocks-api/revisions/4eba9965659a?raw)