NEAR Protocol system API

openapi: 3.0.3
info:
  description: Low-latency indexed account, token, and public-key lookup APIs for wallets and explorers. Embedded portal clients may forward an optional `apiKey` query parameter, but the public FastNEAR API does not require it.
  title: FastNEAR accounts system API
  version: 3.0.3
servers:
- description: Mainnet
  url: https://api.fastnear.com
- description: Testnet
  url: https://test.api.fastnear.com
tags:
- name: system
paths:
  /health:
    get:
      description: 'Ping the FastNEAR API for liveness — returns `{status: ok}` when healthy.'
      operationId: get_health
      parameters:
      - description: Optional API key forwarded by embedded portal clients. The public FastNEAR API does not require it.
        in: query
        name: apiKey
        required: false
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              example:
                status: ok
              schema:
                $ref: '#/components/schemas/HealthResponse'
          description: Health status string
        '500':
          content:
            application/json:
              schema:
                type: string
          description: Internal Server Error
      summary: Get service health
      tags:
      - system
      x-fastnear-slug: health
      x-fastnear-title: FastNEAR API - Health
  /status:
    get:
      description: Check the current indexed block height, latency, and deployed service version.
      operationId: get_status
      parameters:
      - description: Optional API key forwarded by embedded portal clients. The public FastNEAR API does not require it.
        in: query
        name: apiKey
        required: false
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              example:
                sync_balance_block_height: 129734103
                sync_block_height: 129734103
                sync_block_timestamp_nanosec: '1728256282197171397'
                sync_latency_sec: 4.671730603
                version: 0.10.0
              schema:
                $ref: '#/components/schemas/StatusResponse'
          description: Current FastNEAR API sync status
        '500':
          content:
            application/json:
              schema:
                type: string
          description: Internal Server Error
      summary: Get service sync status
      tags:
      - system
      x-fastnear-slug: status
      x-fastnear-title: FastNEAR API - Status
components:
  schemas:
    HealthResponse:
      additionalProperties: false
      properties:
        status:
          type: string
      required:
      - status
      type: object
    StatusResponse:
      additionalProperties: false
      properties:
        sync_balance_block_height:
          format: uint64
          minimum: 0
          nullable: true
          type: integer
        sync_block_height:
          format: uint64
          minimum: 0
          nullable: true
          type: integer
        sync_block_timestamp_nanosec:
          nullable: true
          type: string
        sync_latency_sec:
          format: double
          nullable: true
          type: number
        version:
          type: string
      required:
      - version
      - sync_block_height
      - sync_latency_sec
      - sync_block_timestamp_nanosec
      - sync_balance_block_height
      type: object