NASA FIRMS

NASA FIRMS Missing Data API

Identify dates with absent satellite fire detection data

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OpenAPI Specification

openapi: 3.0.3
info:
  title: NASA FIRMS Area Fire Detections Missing Data API
  description: 'NASA Fire Information for Resource Management System (FIRMS) REST API providing near-real-time satellite fire detections globally from MODIS (Terra/Aqua), VIIRS (S-NPP, NOAA-20, NOAA-21), and LANDSAT instruments. Data is available within 3 hours of satellite observation worldwide, with Ultra Real-Time detections available within 60 seconds for the US and Canada. Supports area-based bounding box queries, KML fire footprints by region, data availability checks, and missing data identification. A free MAP_KEY obtained via registration is required for most endpoints.

    '
  version: '4.0'
  contact:
    name: NASA FIRMS Support
    url: https://firms.modaps.eosdis.nasa.gov/contact/
  termsOfService: https://www.earthdata.nasa.gov/engage/open-data-services-and-software/data-and-information-policy
  license:
    name: NASA Open Data
    url: https://www.earthdata.nasa.gov/engage/open-data-services-and-software/data-and-information-policy
servers:
- url: https://firms.modaps.eosdis.nasa.gov
  description: NASA FIRMS production server
tags:
- name: Missing Data
  description: Identify dates with absent satellite fire detection data
paths:
  /api/missing_data/{map_key}:
    get:
      operationId: getMissingData
      summary: Get dates with missing satellite data
      description: 'Identifies dates for which satellite fire detection data is absent from the FIRMS database, organized by satellite and data type. Near Real-Time entries only appear for dates beyond the final standard processing date for each satellite.

        '
      tags:
      - Missing Data
      parameters:
      - $ref: '#/components/parameters/MapKey'
      responses:
        '200':
          description: CSV list of missing data dates by sensor
          content:
            text/csv:
              schema:
                $ref: '#/components/schemas/MissingDataCSV'
              example: 'satellite,data_type,date

                Terra,NRT,2026-05-15

                Aqua,SP,2026-04-22

                '
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    MissingDataCSV:
      type: string
      description: 'CSV-formatted list of dates with missing satellite fire detection data, organized by satellite and data type. NRT entries only appear for dates beyond the last standard processing date.

        '
      example: 'satellite,data_type,date

        Terra,NRT,2026-05-15

        '
  responses:
    BadRequest:
      description: Bad request — invalid or missing parameters.
      content:
        text/plain:
          schema:
            type: string
    Unauthorized:
      description: Unauthorized — MAP_KEY is missing, invalid, or quota exceeded.
      content:
        text/plain:
          schema:
            type: string
  parameters:
    MapKey:
      name: map_key
      in: path
      required: true
      description: 'Free MAP_KEY obtained via registration at https://firms.modaps.eosdis.nasa.gov/api/map_key/. Rate limited to 5000 transactions per 10-minute interval. Larger requests (e.g., 7-day queries) may count as multiple transactions.

        '
      schema:
        type: string
        example: d2b4a9e1f3c75820b6da1e4f9c0b3721

NASA FIRMS Missing Data API

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