Uniblock

Uniblock Scan API

Endpoints for scanning blockchain networks for transactions, transfers, native supply, and block-level data similar to block explorers.

GitHub OpenAPI

Operations 3

GET /scan/transactions Get Scanned Transactions #
GET /scan/transfers Get Scanned Transfers #
GET /scan/native-supply Get Native Token Supply #

Documentation

📖
Documentation
https://docs.uniblock.dev/docs/unified-api-overview
📖
Documentation
https://docs.uniblock.dev/docs/direct-api-overview

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/uniblock/refs/heads/main/openapi/uniblock-scan-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/uniblock/refs/heads/main/asyncapi/uniblock-webhooks-asyncapi.yml

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OpenAPI Specification

uniblock-scan-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Uniblock Unified Scan API
  description: The Uniblock Unified API provides a single standardized interface for interacting with multiple blockchain networks and data providers.
  version: '1.0'
  contact:
    name: Uniblock Support
    url: https://docs.uniblock.dev
  termsOfService: https://uniblock.dev/terms
servers:
- url: https://api.uniblock.dev/uni/v1
  description: Uniblock Production Server
security:
- apiKeyHeader: []
tags:
- name: Scan
  description: Endpoints for scanning blockchain networks for transactions, transfers, native supply, and block-level data similar to block explorers.
paths:
  /scan/transactions:
    get:
      operationId: getScanTransactions
      summary: Get Scanned Transactions
      description: Retrieves transactions for a specific address using blockchain explorer-style scanning, useful for auditing transaction histories and monitoring network activity.
      tags:
      - Scan
      parameters:
      - $ref: '#/components/parameters/chainParam'
      - $ref: '#/components/parameters/walletAddressParam'
      - $ref: '#/components/parameters/limitParam'
      - $ref: '#/components/parameters/cursorParam'
      responses:
        '200':
          description: Successful response with scanned transactions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScanTransactionsResponse'
        '400':
          description: Bad request - invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized - missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /scan/transfers:
    get:
      operationId: getScanTransfers
      summary: Get Scanned Transfers
      description: Retrieves token transfer events for a specific address using blockchain explorer-style scanning, including ERC-20 and ERC-721 transfers.
      tags:
      - Scan
      parameters:
      - $ref: '#/components/parameters/chainParam'
      - $ref: '#/components/parameters/walletAddressParam'
      - $ref: '#/components/parameters/limitParam'
      - $ref: '#/components/parameters/cursorParam'
      responses:
        '200':
          description: Successful response with scanned transfers
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ScanTransfersResponse'
        '400':
          description: Bad request - invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized - missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /scan/native-supply:
    get:
      operationId: getScanNativeSupply
      summary: Get Native Token Supply
      description: Returns the current amount of the native token in circulation for the specified blockchain network, similar to block explorer supply queries.
      tags:
      - Scan
      parameters:
      - $ref: '#/components/parameters/chainParam'
      responses:
        '200':
          description: Successful response with native token supply
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NativeSupplyResponse'
        '400':
          description: Bad request - invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized - missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      description: Standard error response returned when a request fails.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
          example: false
        error:
          type: object
          description: Error details object.
          properties:
            code:
              type: string
              description: Machine-readable error code.
            message:
              type: string
              description: Human-readable error message describing what went wrong.
    Transaction:
      type: object
      description: A blockchain transaction with summary information.
      properties:
        transactionHash:
          type: string
          description: The unique hash identifier of the transaction.
        from:
          type: string
          description: The sender address.
        to:
          type: string
          description: The recipient address.
        value:
          type: string
          description: The value transferred in the native token's smallest unit.
        blockNumber:
          type: integer
          description: The block number containing the transaction.
        blockTimestamp:
          type: string
          format: date-time
          description: The timestamp of the block containing the transaction.
        status:
          type: string
          description: The execution status of the transaction.
          enum:
          - success
          - failed
        gasUsed:
          type: string
          description: The amount of gas consumed by the transaction.
    TokenTransfer:
      type: object
      description: A single token transfer event between two addresses.
      properties:
        transactionHash:
          type: string
          description: The hash of the transaction containing this transfer.
        from:
          type: string
          description: The sender address.
        to:
          type: string
          description: The recipient address.
        value:
          type: string
          description: The amount transferred in the token's smallest unit.
        contractAddress:
          type: string
          description: The smart contract address of the transferred token.
        tokenName:
          type: string
          description: The name of the transferred token.
        tokenSymbol:
          type: string
          description: The symbol of the transferred token.
        blockNumber:
          type: integer
          description: The block number in which the transfer occurred.
        blockTimestamp:
          type: string
          format: date-time
          description: The timestamp of the block in which the transfer occurred.
    ScanTransactionsResponse:
      type: object
      description: Response containing scanned transactions in explorer format.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
        data:
          type: array
          description: List of scanned transactions.
          items:
            $ref: '#/components/schemas/Transaction'
        cursor:
          type: string
          description: Pagination cursor for the next page of results.
    NativeSupplyResponse:
      type: object
      description: Response containing the native token supply for a blockchain network.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
        data:
          type: object
          description: Native supply data.
          properties:
            supply:
              type: string
              description: The current circulating supply of the native token.
            chain:
              type: string
              description: The blockchain network.
    ScanTransfersResponse:
      type: object
      description: Response containing scanned token transfer events.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
        data:
          type: array
          description: List of scanned transfer events.
          items:
            $ref: '#/components/schemas/TokenTransfer'
        cursor:
          type: string
          description: Pagination cursor for the next page of results.
  parameters:
    limitParam:
      name: limit
      in: query
      description: Maximum number of results to return per page.
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 25
    chainParam:
      name: chain
      in: query
      required: true
      description: The blockchain network identifier (e.g., ethereum, polygon, solana, bsc, arbitrum, optimism, avalanche, base).
      schema:
        type: string
        examples:
        - ethereum
        - polygon
        - solana
    cursorParam:
      name: cursor
      in: query
      description: Pagination cursor for retrieving the next page of results.
      schema:
        type: string
    walletAddressParam:
      name: address
      in: query
      required: true
      description: The wallet address to query data for.
      schema:
        type: string
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      in: header
      name: x-api-key
      description: Uniblock project API key passed as a header. Obtain your API key by creating a project on the Uniblock dashboard at app.uniblock.dev.
externalDocs:
  description: Uniblock Unified API Documentation
  url: https://docs.uniblock.dev/docs/unified-api-overview