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OpenAPI Specification

openapi: 3.2.0
info:
  title: Uniblock Unified Transactions 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: Transactions
  description: Endpoints for looking up transaction data by address or transaction hash, including detailed transaction information.
paths:
  /transactions:
    get:
      operationId: getTransactions
      summary: Get Transactions
      description: Retrieves a list of transactions associated with a specific wallet address, including both incoming and outgoing transactions across the specified blockchain network.
      tags:
      - Transactions
      parameters:
      - $ref: '#/components/parameters/chainParam'
      - $ref: '#/components/parameters/walletAddressParam'
      - $ref: '#/components/parameters/limitParam'
      - $ref: '#/components/parameters/cursorParam'
      responses:
        '200':
          description: Successful response with transactions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransactionsResponse'
        '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'
  /transactions/{transactionHash}:
    get:
      operationId: getTransactionByHash
      summary: Get Transaction by Hash
      description: Retrieves detailed information about a specific transaction by its transaction hash, including status, gas used, block number, and input data.
      tags:
      - Transactions
      parameters:
      - $ref: '#/components/parameters/chainParam'
      - name: transactionHash
        in: path
        required: true
        description: The hash of the transaction to retrieve.
        schema:
          type: string
          pattern: ^0x[a-fA-F0-9]{64}$
      responses:
        '200':
          description: Successful response with transaction details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransactionDetailResponse'
        '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'
        '404':
          description: Transaction not found
          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.
    TransactionDetailResponse:
      type: object
      description: Response containing detailed information about a single transaction.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
        data:
          type: object
          description: Detailed transaction data.
          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.
            gasUsed:
              type: string
              description: The amount of gas consumed by the transaction.
            gasPrice:
              type: string
              description: The gas price at which the transaction was executed.
            nonce:
              type: integer
              description: The sender's transaction nonce.
            input:
              type: string
              description: The input data of the transaction.
            logs:
              type: array
              description: Event logs emitted during the transaction.
              items:
                type: object
                properties:
                  logIndex:
                    type: integer
                    description: The position of the log in the block.
                  address:
                    type: string
                    description: The contract address that emitted the event.
                  topics:
                    type: array
                    description: Indexed event topics.
                    items:
                      type: string
                  data:
                    type: string
                    description: Non-indexed event data.
    TransactionsResponse:
      type: object
      description: Response containing a paginated list of transactions.
      properties:
        success:
          type: boolean
          description: Indicates whether the request was successful.
        data:
          type: array
          description: List of transactions.
          items:
            $ref: '#/components/schemas/Transaction'
        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