fourzerotwo-si Earthquakes API

Earthquakes (USGS): Worldwide earthquakes in near real time: recent feeds, regional search and counts.

Operations 6

GET /v1/earthquakes/significant-week Earthquakes (USGS): Significant this week #
GET /v1/earthquakes/m45-week Earthquakes (USGS): M4.5+ this week #
GET /v1/earthquakes/m25-day Earthquakes (USGS): M2.5+ today #
GET /v1/earthquakes/near Earthquakes (USGS): Earthquakes near a point #
GET /v1/earthquakes/count Earthquakes (USGS): Count earthquakes #
GET /v1/earthquakes/event Earthquakes (USGS): Earthquake detail #

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OpenAPI Specification

fourzerotwo-si-earthquakes-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Fourzerotwo Si Earthquakes API
  version: 1.1.0
  contact:
    url: https://fourzerotwo.si
  description: 'Operations tagged earthquakes across 2 of this provider''s published API definitions: openapi.json, fourzerotwo-si-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://fourzerotwo.si
tags:
- name: earthquakes
  description: 'Earthquakes (USGS): Worldwide earthquakes in near real time: recent feeds, regional search and counts.'
paths:
  /v1/earthquakes/significant-week:
    get:
      operationId: earthquakes__significant_week
      summary: 'Earthquakes (USGS): Significant this week'
      description: 'Significant earthquakes worldwide in the past 7 days. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/significant-week
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: earthquakes__significant-week
    servers:
    - url: https://fourzerotwo.si
  /v1/earthquakes/m45-week:
    get:
      operationId: earthquakes__m45_week
      summary: 'Earthquakes (USGS): M4.5+ this week'
      description: 'Magnitude 4.5+ earthquakes worldwide in the past 7 days. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/m45-week
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: earthquakes__m45-week
    servers:
    - url: https://fourzerotwo.si
  /v1/earthquakes/m25-day:
    get:
      operationId: earthquakes__m25_day
      summary: 'Earthquakes (USGS): M2.5+ today'
      description: 'Magnitude 2.5+ earthquakes worldwide in the past day. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/m25-day
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: earthquakes__m25-day
    servers:
    - url: https://fourzerotwo.si
  /v1/earthquakes/near:
    get:
      operationId: earthquakes__near
      summary: 'Earthquakes (USGS): Earthquakes near a point'
      description: 'Earthquakes within a radius of a point since a date. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/near
      parameters:
      - name: latitude
        in: query
        required: true
        description: Latitude
        schema:
          type: string
        example: '35.68'
      - name: longitude
        in: query
        required: true
        description: Longitude
        schema:
          type: string
        example: '139.69'
      - name: maxradiuskm
        in: query
        required: false
        description: Radius km (default 20001)
        schema:
          type: integer
        example: 300
      - name: starttime
        in: query
        required: false
        description: YYYY-MM-DD
        schema:
          type: string
        example: '2026-09-01'
      - name: minmagnitude
        in: query
        required: false
        description: Minimum magnitude
        schema:
          type: string
        example: '4'
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.002000'
      x-free-tier: free
      x-mcp-tool: earthquakes__near
    servers:
    - url: https://fourzerotwo.si
  /v1/earthquakes/count:
    get:
      operationId: earthquakes__count
      summary: 'Earthquakes (USGS): Count earthquakes'
      description: 'How many earthquakes match a time and magnitude window. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/count
      parameters:
      - name: starttime
        in: query
        required: true
        description: YYYY-MM-DD
        schema:
          type: string
        example: '2026-09-01'
      - name: minmagnitude
        in: query
        required: false
        description: Minimum magnitude
        schema:
          type: string
        example: '5'
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: earthquakes__count
    servers:
    - url: https://fourzerotwo.si
  /v1/earthquakes/event:
    get:
      operationId: earthquakes__event
      summary: 'Earthquakes (USGS): Earthquake detail'
      description: 'Full detail for one earthquake by USGS event id. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
      tags:
      - earthquakes
      externalDocs:
        url: https://fourzerotwo.si/apis/earthquakes/event
      parameters:
      - name: eventid
        in: query
        required: true
        description: USGS event id
        schema:
          type: string
        example: us7000pn9s
      responses:
        '200':
          description: The data (paid, or free tier).
          content:
            application/json: {}
        '402':
          $ref: '#/components/responses/PaymentRequired'
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '502':
          $ref: '#/components/responses/Error'
      security:
      - {}
      - freeKey: []
      x-price-usd: '0.001000'
      x-free-tier: free
      x-mcp-tool: earthquakes__event
    servers:
    - url: https://fourzerotwo.si
components:
  responses:
    PaymentRequired:
      description: x402 payment required. The body (also base64 in the PAYMENT-REQUIRED header) lists accepted payments.
      headers:
        PAYMENT-REQUIRED:
          schema:
            type: string
          description: Base64 JSON x402 v2 PaymentRequired
      content:
        application/json:
          schema:
            type: object
            properties:
              x402Version:
                type: integer
              error:
                type: string
              accepts:
                type: array
                items:
                  type: object
    Error:
      description: 400 = invalid input, 404 = not found at the source, 502 = the source failed. Never charged.
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
              charged:
                type: boolean
  securitySchemes:
    freeKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: Optional free key (fzt_…) for the free tier.
x-refined-from:
- openapi.json
- fourzerotwo-si-openapi.json