Polkadot

Polkadot Log API

The Log API from Polkadot — 2 operation(s) for log.

GitHub OpenAPI

Documentation

📖
Documentation
https://support.subscan.io/
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/rate-limits/subscan.yml
📖
Documentation
https://docs.polkadot.com/chain-interactions/query-data/query-rest/
📖
Documentation
https://github.com/paritytech/polkadot-rest-api

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/openapi/polkadot-log-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/paritytech/substrate-api-sidecar
📦
GitHubRepository
https://github.com/paritytech/polkadot-rest-api

Other Resources

🔗
PostmanCollection
https://documenter.getpostman.com/view/1618960/TVCe1oRU
🔗
Plans
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/plans/subscan.yml
🔗
FinOps
https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/finops/subscan.yml

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OpenAPI Specification

polkadot-log-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Polkadot REST Account Log API
  description: High-performance Rust REST API for Substrate/Polkadot blockchain data. Drop-in replacement for substrate-api-sidecar.
  contact:
    url: https://github.com/paritytech/polkadot-rest-api
  license:
    name: GPL-3.0-or-later
  version: 0.1.3
servers:
- url: http://localhost:8080/v1
  description: Localhost
tags:
- name: Log
paths:
  /api/scan/log:
    post:
      consumes:
      - application/json
      description: Returns a block log record by log index.
      parameters:
      - description: params
        in: body
        name: params
        required: true
        schema:
          $ref: '#/definitions/internal_server_http.logInfoParam'
      produces:
      - application/json
      responses:
        '200':
          description: OK
          schema:
            allOf:
            - $ref: '#/definitions/internal_server_http.J'
            - properties:
                data:
                  $ref: '#/definitions/subscan_internal_model.ChainLogJson'
              type: object
      summary: Get block log by index
      tags:
      - Log
      x-synonyms:
      - block
      - log
      - index
      - scan
      - block height
      - block number
  /api/v2/scan/logs:
    post:
      consumes:
      - application/json
      description: Returns paginated block logs filtered by block range, engine ID, and log type.
      parameters:
      - description: params
        in: body
        name: params
        required: true
        schema:
          $ref: '#/definitions/internal_server_http.logsParams'
      produces:
      - application/json
      responses:
        '200':
          description: OK
          schema:
            allOf:
            - $ref: '#/definitions/internal_server_http.J'
            - properties:
                data:
                  properties:
                    count:
                      type: integer
                    logs:
                      items:
                        $ref: '#/definitions/subscan_internal_model.ChainLogJson'
                      type: array
                  type: object
              type: object
      summary: List block logs
      tags:
      - Log
      x-synonyms:
      - block
      - logs
      - log
      - scan
      - block height
      - block number
definitions:
  internal_server_http.J:
    properties:
      code:
        example: 0
        type: integer
      data: {}
      generated_at:
        example: 1699600641
        type: integer
      message:
        example: Success
        type: string
    type: object
  subscan_internal_model.ChainLogJson:
    properties:
      block_num:
        type: integer
      data:
        type: string
      engine:
        type: string
      id:
        type: integer
      log_index:
        type: string
      log_type:
        type: string
    type: object
  internal_server_http.logInfoParam:
    properties:
      log_index:
        type: string
    required:
    - log_index
    type: object
  internal_server_http.logsParams:
    properties:
      after_id:
        type: integer
      block_num:
        minimum: 0
        type: integer
      block_range:
        type: string
      engine:
        type: string
      page:
        description: Page number, starting from 0
        example: 0
        minimum: 0
        type: integer
      row:
        description: Data size per page
        example: 10
        maximum: 100
        minimum: 1
        type: integer
      type:
        type: string
    type: object