Blockfrost

Blockfrost Cardano » Assets API

The Cardano » Assets API from Blockfrost — 7 operation(s) for cardano » assets.

GitHub OpenAPI

Operations 7

GET /assets Blockfrost Assets #
GET /assets/{asset} Blockfrost Specific Asset #
GET /assets/{asset}/history Blockfrost Asset History #
GET /assets/{asset}/txs Blockfrost Asset Txs #
GET /assets/{asset}/transactions Blockfrost Asset Transactions #
GET /assets/{asset}/addresses Blockfrost Asset Addresses #
GET /assets/policy/{policy_id} Blockfrost Assets of a Specific Policy #

Documentation

📖
Documentation
https://docs.blockfrost.io/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/blockfrost/refs/heads/main/openapi/blockfrost-cardano-assets-api-openapi.yml

Other Resources

🔗
SpectralRules
https://raw.githubusercontent.com/api-evangelist/blockfrost/refs/heads/main/rules/blockfrost-spectral-rules.yml
🔗
Vocabulary
https://raw.githubusercontent.com/api-evangelist/blockfrost/refs/heads/main/vocabulary/blockfrost-vocabulary.yaml

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OpenAPI Specification

blockfrost-cardano-assets-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  version: 0.1.87
  title: Blockfrost.io ~ API Documentation Cardano » Assets API
  x-logo:
    url: https://staging.blockfrost.io/images/logo.svg
    altText: Blockfrost
  contact:
    name: Blockfrost Team
    url: https://blockfrost.io
    email: contact@blockfrost.io
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
  termsOfService: https://blockfrost.io/terms
  description: Blockfrost is an API as a service that allows users to interact with the Cardano blockchain, Midnight blockchain, and parts of their ecosystems.
servers:
- url: https://cardano-mainnet.blockfrost.io/api/v0
  description: Cardano Mainnet network
- url: https://cardano-preprod.blockfrost.io/api/v0
  description: Cardano Preprod network
- url: https://cardano-preview.blockfrost.io/api/v0
  description: Cardano Preview network
- url: https://localhost:3000
  description: local
security:
- project_id: []
tags:
- name: Cardano » Assets
paths:
  /assets:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Assets
      description: 'List of assets. If an asset is completely burned,

        it will stay on the list with quantity 0 (order of assets is immutable).'
      parameters:
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          Ordering in this case is based on the time of the first mint transaction.

          '
      responses:
        '200':
          description: Return list of assets
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/assets'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssets
      x-operation-id-source: derived
  /assets/{asset}:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Specific Asset
      description: Information about a specific asset
      parameters:
      - in: path
        name: asset
        required: true
        schema:
          type: string
        description: Concatenation of the policy_id and hex-encoded asset_name
        example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
      responses:
        '200':
          description: Return the information about a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsByAsset
      x-operation-id-source: derived
  /assets/{asset}/history:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Asset History
      description: History of a specific asset
      parameters:
      - in: path
        name: asset
        required: true
        schema:
          type: string
        description: Concatenation of the policy_id and hex-encoded asset_name
        example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          '
      responses:
        '200':
          description: Return the information about the history of a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset_history'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsByAssetHistory
      x-operation-id-source: derived
  /assets/{asset}/txs:
    get:
      deprecated: true
      tags:
      - Cardano » Assets
      summary: Blockfrost Asset Txs
      description: List of a specific asset transactions
      parameters:
      - in: path
        name: asset
        required: true
        schema:
          type: string
        description: Concatenation of the policy_id and hex-encoded asset_name
        example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          '
      responses:
        '200':
          description: Return the information about the history of a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset_txs'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsByAssetTxs
      x-operation-id-source: derived
  /assets/{asset}/transactions:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Asset Transactions
      description: List of a specific asset transactions
      parameters:
      - in: path
        name: asset
        required: true
        schema:
          type: string
        description: Concatenation of the policy_id and hex-encoded asset_name
        example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          '
      responses:
        '200':
          description: Return the information about the history of a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset_transactions'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsByAssetTransactions
      x-operation-id-source: derived
  /assets/{asset}/addresses:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Asset Addresses
      description: List of a addresses containing a specific asset
      parameters:
      - in: path
        name: asset
        required: true
        schema:
          type: string
        description: Concatenation of the policy_id and hex-encoded asset_name
        example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          '
      responses:
        '200':
          description: Return the information about the history of a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset_addresses'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsByAssetAddresses
      x-operation-id-source: derived
  /assets/policy/{policy_id}:
    get:
      tags:
      - Cardano » Assets
      summary: Blockfrost Assets of a Specific Policy
      description: List of asset minted under a specific policy
      parameters:
      - in: path
        name: policy_id
        required: true
        schema:
          type: string
        description: Specific policy_id
        example: 476039a0949cf0b22f6a800f56780184c44533887ca6e821007840c3
      - in: query
        name: count
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 100
        description: The number of results displayed on one page.
      - in: query
        name: page
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 21474836
          default: 1
        description: The page number for listing the results.
      - in: query
        name: order
        required: false
        schema:
          type: string
          enum:
          - asc
          - desc
          default: asc
        description: 'The ordering of items from the point of view of the blockchain,

          not the page listing itself. By default, we return oldest first, newest last.

          '
      responses:
        '200':
          description: Return the information about a specific asset
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/asset_policy'
        '400':
          $ref: '#/components/responses/400'
        '403':
          $ref: '#/components/responses/403'
        '404':
          $ref: '#/components/responses/404'
        '418':
          $ref: '#/components/responses/418'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      operationId: getAssetsPolicyByPolicyId
      x-operation-id-source: derived
components:
  schemas:
    asset_transactions:
      type: array
      items:
        type: object
        properties:
          tx_hash:
            type: string
            description: Hash of the transaction
          tx_index:
            type: integer
            description: Transaction index within the block
          block_height:
            type: integer
            description: Block height
          block_time:
            type: integer
            example: 1635505891
            description: Block creation time in UNIX time
        required:
        - tx_hash
        - tx_index
        - block_height
        - block_time
      example:
      - tx_hash: 8788591983aa73981fc92d6cddbbe643959f5a784e84b8bee0db15823f575a5b
        tx_index: 6
        block_height: 69
        block_time: 1635505891
      - tx_hash: 52e748c4dec58b687b90b0b40d383b9fe1f24c1a833b7395cdf07dd67859f46f
        tx_index: 9
        block_height: 4547
        block_time: 1635505987
      - tx_hash: e8073fd5318ff43eca18a852527166aa8008bee9ee9e891f585612b7e4ba700b
        tx_index: 0
        block_height: 564654
        block_time: 1834505492
    asset_addresses:
      type: array
      items:
        type: object
        properties:
          address:
            type: string
            description: Address containing the specific asset
          quantity:
            type: string
            description: Asset quantity on the specific address
        required:
        - address
        - quantity
      example:
      - address: addr1qxqs59lphg8g6qndelq8xwqn60ag3aeyfcp33c2kdp46a09re5df3pzwwmyq946axfcejy5n4x0y99wqpgtp2gd0k09qsgy6pz
        quantity: '1'
      - address: addr1qyhr4exrgavdcn3qhfcc9f939fzsch2re5ry9cwvcdyh4x4re5df3pzwwmyq946axfcejy5n4x0y99wqpgtp2gd0k09qdpvhza
        quantity: '100000'
      - address: addr1q8zup8m9ue3p98kxlxl9q8rnyan8hw3ul282tsl9s326dfj088lvedv4zckcj24arcpasr0gua4c5gq4zw2rpcpjk2lq8cmd9l
        quantity: '18605647'
    asset_txs:
      type: array
      items:
        type: string
        description: Hash of the transaction
      example:
      - 8788591983aa73981fc92d6cddbbe643959f5a784e84b8bee0db15823f575a5b
      - 52e748c4dec58b687b90b0b40d383b9fe1f24c1a833b7395cdf07dd67859f46f
      - e8073fd5318ff43eca18a852527166aa8008bee9ee9e891f585612b7e4ba700b
    asset:
      type: object
      properties:
        asset:
          type: string
          example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
          description: Hex-encoded asset full name
        policy_id:
          type: string
          example: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a7
          description: Policy ID of the asset
        asset_name:
          type:
          - string
          - 'null'
          example: 6e7574636f696e
          description: Hex-encoded asset name of the asset
        fingerprint:
          type: string
          example: asset1pkpwyknlvul7az0xx8czhl60pyel45rpje4z8w
          description: CIP14 based user-facing fingerprint
        quantity:
          type: string
          example: '12000'
          description: Current asset quantity
        initial_mint_tx_hash:
          type: string
          example: 6804edf9712d2b619edb6ac86861fe93a730693183a262b165fcc1ba1bc99cad
          description: ID of the initial minting transaction
        mint_or_burn_count:
          type: integer
          example: 1
          description: Count of mint and burn transactions
        onchain_metadata:
          type:
          - object
          - 'null'
          additionalProperties: true
          description: 'On-chain metadata which SHOULD adhere to the valid standards,

            based on which we perform the look up and display the asset

            (best effort)

            '
        onchain_metadata_standard:
          type:
          - string
          - 'null'
          enum:
          - CIP25v1
          - CIP25v2
          - CIP68v1
          - CIP68v2
          - CIP68v3
          description: 'If on-chain metadata passes validation, we display the standard

            under which it is valid

            '
        onchain_metadata_extra:
          type:
          - string
          - 'null'
          description: 'Arbitrary plutus data (CIP68).

            '
        metadata:
          type:
          - object
          - 'null'
          description: 'Off-chain metadata fetched from GitHub based on network.

            Mainnet: https://github.com/cardano-foundation/cardano-token-registry/

            Testnet: https://github.com/input-output-hk/metadata-registry-testnet/

            '
          properties:
            name:
              type: string
              example: nutcoin
              description: Asset name
            description:
              type: string
              example: The Nut Coin
              description: Asset description
            ticker:
              type:
              - string
              - 'null'
              example: nutc
            url:
              type:
              - string
              - 'null'
              example: https://www.stakenuts.com/
              description: Asset website
            logo:
              type:
              - string
              - 'null'
              example: 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
              description: Base64 encoded logo of the asset
            decimals:
              type:
              - integer
              - 'null'
              maximum: 255
              example: 6
              description: Number of decimal places of the asset unit
          required:
          - name
          - description
          - ticker
          - url
          - logo
          - decimals
      required:
      - asset
      - policy_id
      - asset_name
      - fingerprint
      - quantity
      - initial_mint_tx_hash
      - mint_or_burn_count
      - metadata
      - onchain_metadata
    asset_policy:
      type: array
      items:
        type: object
        properties:
          asset:
            type: string
            description: Concatenation of the policy_id and hex-encoded asset_name
          quantity:
            type: string
            description: Current asset quantity
        required:
        - asset
        - quantity
      example:
      - asset: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
        quantity: '1'
      - asset: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a766e
        quantity: '100000'
      - asset: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb574636f696e
        quantity: '18605647'
    asset_history:
      type: array
      items:
        type: object
        properties:
          tx_hash:
            type: string
            description: Hash of the transaction containing the asset action
          action:
            type: string
            enum:
            - minted
            - burned
            description: Action executed upon the asset policy
          amount:
            type: string
            description: Asset amount of the specific action
        required:
        - tx_hash
        - action
        - amount
      example:
      - tx_hash: 2dd15e0ef6e6a17841cb9541c27724072ce4d4b79b91e58432fbaa32d9572531
        amount: '10'
        action: minted
      - tx_hash: 9c190bc1ac88b2ab0c05a82d7de8b71b67a9316377e865748a89d4426c0d3005
        amount: '5'
        action: burned
      - tx_hash: 1a0570af966fb355a7160e4f82d5a80b8681b7955f5d44bec0dde628516157f0
        amount: '5'
        action: burned
    assets:
      type: array
      items:
        type: object
        properties:
          asset:
            type: string
            format: Concatenation of the policy_id and hex-encoded asset_name
            description: Asset identifier
          quantity:
            type: string
            description: Current asset quantity
        required:
        - asset
        - quantity
      example:
      - asset: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e7574636f696e
        quantity: '1'
      - asset: b0d07d45fe9514f80213f4020e5a61241458be626841cde717cb38a76e75d
        quantity: '100000'
      - asset: 6804edf9712d2b619edb6ac86861fe93a730693183a262b165fcc1ba1bc99cad
        quantity: '18605647'
  responses:
    '403':
      description: Authentication secret is missing or invalid
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 403
              error:
                type: string
                example: Forbidden
              message:
                type: string
                example: Invalid project token.
            required:
            - error
            - message
            - status_code
    '429':
      description: Usage limit reached
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 429
              error:
                type: string
                example: Project Over Limit
              message:
                type: string
                example: Usage is over limit.
            required:
            - error
            - message
            - status_code
    '400':
      description: Bad request
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 400
              error:
                type: string
                example: Bad Request
              message:
                type: string
                example: Backend did not understand your request.
            required:
            - error
            - message
            - status_code
    '500':
      description: Internal Server Error
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 500
              error:
                type: string
                example: Internal Server Error
              message:
                type: string
                example: An unexpected response was received from the backend.
            required:
            - error
            - message
            - status_code
    '404':
      description: Component not found
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 404
              error:
                type: string
                example: Not Found
              message:
                type: string
                example: The requested component has not been found.
            required:
            - error
            - message
            - status_code
    '418':
      description: IP has been auto-banned for extensive sending of requests after usage limit has been reached
      content:
        application/json:
          schema:
            type: object
            properties:
              status_code:
                type: integer
                example: 418
              error:
                type: string
                example: Requested Banned
              message:
                type: string
                example: IP has been auto-banned for flooding.
            required:
            - error
            - message
            - status_code
  securitySchemes:
    project_id:
      type: apiKey
      in: header
      name: project_id
      description: 'There are multiple token types available based on network you choose

        when creating a Blockfrost a project, for a list of token types

        see available networks.

        '