> ## Documentation Index
> Fetch the complete documentation index at: https://developers.fireblocks.com/llms.txt
> Use this file to discover all available pages before exploring further.
## Submitting Feedback
If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:
POST https://developers.fireblocks.com/feedback
```json
{
"path": "/api-reference/blockchains-&-assets/list-blockchains",
"feedback": "Description of the issue"
}
```
Only submit feedback when you have something specific and actionable to report.
# List blockchains
> Returns all blockchains supported by Fireblocks.
## OpenAPI
````yaml https://docs.fireblocks.com/api/v1/swagger.yaml get /blockchains
openapi: 3.0.0
info:
title: Fireblocks API
description: >
Fireblocks provides a suite of applications to manage digital asset
operations and a complete development platform to build your business on the
blockchain.
- Visit our website for more information: [Fireblocks
Website](https://fireblocks.com)
- Visit our developer docs: [Fireblocks
DevPortal](https://developers.fireblocks.com)
version: 1.6.2
contact:
email: developers@fireblocks.com
servers:
- url: https://api.fireblocks.io/v1
description: Fireblocks Production Environment Base URL
- url: https://sandbox-api.fireblocks.io/v1
description: Fireblocks Sandbox Environment Base URL
security: []
paths:
/blockchains:
get:
tags:
- Blockchains & assets
summary: List blockchains
description: |
Returns all blockchains supported by Fireblocks.
operationId: listBlockchains
parameters:
- name: protocol
required: false
in: query
description: Blockchain protocol
schema:
type: string
example: SOL
- name: deprecated
required: false
in: query
description: Is blockchain deprecated
schema:
type: boolean
example: false
- name: test
required: false
in: query
description: Is test blockchain
schema:
type: boolean
example: false
- name: ids
required: false
in: query
description: A list of blockchain IDs (max 100)
schema:
type: array
items:
type: string
example:
- 3ed32525-70df-45c8-bae3-e69ab56dc095
- 3a3b5f06-61e7-44f0-9962-4425b55795ff
- MANTRA
- name: pageCursor
required: false
in: query
description: Page cursor to fetch
schema:
type: string
example: MjAyMy0xMi0xMyAyMDozNjowOC4zMDI=:MTEwMA==
- name: pageSize
required: false
in: query
description: Items per page (max 500)
schema:
minimum: 1
maximum: 500
default: 500
type: number
example: 500
responses:
'200':
description: List of supported blockchains
content:
application/json:
schema:
$ref: '#/components/schemas/ListBlockchainsResponse'
'500':
description: Error occurred while listing blockchains
content:
application/json:
schema:
$ref: '#/components/schemas/AssetInternalServerErrorResponse'
default:
$ref: '#/components/responses/Error'
x-codeSamples:
- lang: TypeScript
source: >-
const response: Promise>
=
fireblocks.blockchainsAssets.listBlockchains(blockchainsAssetsApiListBlockchainsRequest);
- lang: Java
source: >-
CompletableFuture> response =
fireblocks.blockchainsAssets().listBlockchains(protocol, deprecated,
test, ids, pageCursor, pageSize);
- lang: Python
source: >-
response =
fireblocks.blockchains_&_assets.list_blockchains(protocol,
deprecated, test, ids, page_cursor, page_size);
components:
schemas:
ListBlockchainsResponse:
type: object
properties:
data:
type: array
description: The data of the current page
items:
$ref: '#/components/schemas/BlockchainResponse'
next:
type: string
description: Cursor to the next page
example: eJ0eXAiOiJKV1QiLCJhbGcOiJIUzI1NiJ9
nullable: true
required:
- data
- next
AssetInternalServerErrorResponse:
type: object
properties:
message:
type: string
description: Internal server error code
example: Internal server error
code:
type: number
description: Error code
example: 3005
required:
- message
- code
BlockchainResponse:
type: object
properties:
id:
type: string
description: The ID of the blockchain
example: 9f9f7062-df90-4fc0-8697-96685184357b
legacyId:
type: string
description: The old blockchain ID representation of the blockchain
example: ETH
displayName:
type: string
description: The name of the blockchain
example: Ethereum
nativeAssetId:
type: string
description: Native asset ID of this blockchain
example: 9f9f7062-df90-4fc0-8697-96685184356a
onchain:
$ref: '#/components/schemas/BlockchainOnchain'
metadata:
$ref: '#/components/schemas/BlockchainMetadata'
required:
- id
- legacyId
- displayName
- nativeAssetId
- onchain
- metadata
ErrorSchema:
type: object
properties:
message:
type: string
code:
type: number
BlockchainOnchain:
type: object
properties:
protocol:
type: string
description: The protocol of the blockchain
example: EVM
chainId:
type: string
description: Network/chain ID
example: 1
test:
type: boolean
description: Is test blockchain
example: false
signingAlgo:
enum:
- ECDSA_SECP256K1
- EDDSA_ED25519
type: string
description: Signing alghorithm
example: ECDSA_SECP256K1
required:
- protocol
- test
- signingAlgo
BlockchainMetadata:
type: object
properties:
scope:
$ref: '#/components/schemas/AssetScope'
deprecated:
type: boolean
description: Is blockchain deprecated
example: false
media:
description: Blockchain’s media
type: array
items:
$ref: '#/components/schemas/BlockchainMedia'
explorer:
$ref: '#/components/schemas/BlockchainExplorer'
required:
- scope
- deprecated
AssetScope:
type: string
description: The scope of the asset
example: GLOBAL
enum:
- GLOBAL
- LOCAL
BlockchainMedia:
type: object
properties:
url:
type: string
description: Media URL
example: https://example.com/image.png
type:
type: string
description: Media type
example: image/svg+xml
enum:
- image/svg+xml
- image/png
required:
- url
- type
BlockchainExplorer:
type: object
properties:
base:
type: string
description: Explorer base url
example: https://example.com
address:
type: string
description: Explorer address url
example: https://example.com/address/{address}
tx:
type: string
description: Explorer transaction url
example: https://example.com/tx/{tx}
token:
type: string
description: Explorer token url
example: https://example.com/nft/{contract}/{tokenId}
required:
- base
responses:
Error:
description: Error Response
headers:
X-Request-ID:
$ref: '#/components/headers/X-Request-ID'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorSchema'
headers:
X-Request-ID:
schema:
type: string
description: >-
Unique ID correlated to the API request. Please provide it in any
support ticket you create or on Github issues related to Fireblocks SDKs
````