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OpenAPI Specification

openapi: 3.2.0
info:
  title: OpenRouteService Directions Geocoding API
  description: OpenRouteService is a free, open-source geospatial API platform built on OpenStreetMap data. It provides routing directions for multiple transport modes, isochrones for reachability analysis, time-distance matrices, geocoding, elevation data, points of interest, and vehicle route optimization for logistics and humanitarian use cases.
  version: v2
  contact:
    name: OpenRouteService Support
    url: https://ask.openrouteservice.org
    email: support@smartmobility.heigit.org
  license:
    name: GNU General Public License v3.0
    url: https://github.com/GIScience/openrouteservice/blob/main/LICENSE
  x-ors-docs: https://giscience.github.io/openrouteservice/
servers:
- url: https://api.openrouteservice.org
  description: OpenRouteService Public API
security:
- ApiKeyAuth: []
tags:
- name: Geocoding
  description: Resolve addresses to coordinates and vice versa using Pelias engine
paths:
  /geocode/search:
    get:
      tags:
      - Geocoding
      summary: Forward Geocoding
      description: Resolves a text address query to geographic coordinates using the Pelias geocoding engine. Returns matching locations ordered by relevance.
      operationId: geocodeSearch
      parameters:
      - name: text
        in: query
        description: The address or place name to search for
        required: true
        schema:
          type: string
          example: Heidelberg, Germany
      - name: boundary.country
        in: query
        description: Restrict results to a specific country using ISO 3166-1 alpha-2 or alpha-3 code
        required: false
        schema:
          type: string
          example: DE
      - name: boundary.rect.min_lon
        in: query
        description: Minimum longitude for bounding box restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.rect.min_lat
        in: query
        description: Minimum latitude for bounding box restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.rect.max_lon
        in: query
        description: Maximum longitude for bounding box restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.rect.max_lat
        in: query
        description: Maximum latitude for bounding box restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.circle.lon
        in: query
        description: Longitude of circle center for circular boundary restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.circle.lat
        in: query
        description: Latitude of circle center for circular boundary restriction
        required: false
        schema:
          type: number
          format: double
      - name: boundary.circle.radius
        in: query
        description: Radius in kilometers for circular boundary restriction
        required: false
        schema:
          type: number
          format: double
      - name: focus.point.lon
        in: query
        description: Longitude of focus point to bias nearby results higher
        required: false
        schema:
          type: number
          format: double
      - name: focus.point.lat
        in: query
        description: Latitude of focus point to bias nearby results higher
        required: false
        schema:
          type: number
          format: double
      - name: size
        in: query
        description: Number of results to return (max 40)
        required: false
        schema:
          type: integer
          default: 10
          maximum: 40
      - name: layers
        in: query
        description: Filter by Pelias layer types (venue, address, street, neighbourhood, etc.)
        required: false
        schema:
          type: string
      - name: sources
        in: query
        description: Filter by data sources (openstreetmap, openaddresses, whosonfirst, geonames)
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Geocoding results as GeoJSON FeatureCollection
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GeocodeResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /geocode/reverse:
    get:
      tags:
      - Geocoding
      summary: Reverse Geocoding
      description: Resolves geographic coordinates to a human-readable address using the Pelias engine. Returns the nearest address or place for the given coordinates.
      operationId: geocodeReverse
      parameters:
      - name: point.lon
        in: query
        description: Longitude of the point to reverse geocode
        required: true
        schema:
          type: number
          format: double
          example: 8.681495
      - name: point.lat
        in: query
        description: Latitude of the point to reverse geocode
        required: true
        schema:
          type: number
          format: double
          example: 49.41461
      - name: boundary.circle.radius
        in: query
        description: Radius in kilometers to search around the point
        required: false
        schema:
          type: number
          format: double
          default: 1
      - name: size
        in: query
        description: Number of results to return
        required: false
        schema:
          type: integer
          default: 1
          maximum: 40
      - name: layers
        in: query
        description: Filter by Pelias layer types
        required: false
        schema:
          type: string
      - name: sources
        in: query
        description: Filter by data sources
        required: false
        schema:
          type: string
      - name: boundary.country
        in: query
        description: Restrict results to a specific country
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Reverse geocoding results as GeoJSON FeatureCollection
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GeocodeResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /geocode/autocomplete:
    get:
      tags:
      - Geocoding
      summary: Geocoding Autocomplete
      description: Returns address suggestions as the user types, optimized for low-latency typeahead searches. Uses Pelias autocomplete for partial address matching.
      operationId: geocodeAutocomplete
      parameters:
      - name: text
        in: query
        description: Partial address text for autocomplete suggestions
        required: true
        schema:
          type: string
          example: Heidel
      - name: focus.point.lon
        in: query
        description: Longitude of focus point to bias nearby results higher
        required: false
        schema:
          type: number
          format: double
      - name: focus.point.lat
        in: query
        description: Latitude of focus point to bias nearby results higher
        required: false
        schema:
          type: number
          format: double
      - name: boundary.country
        in: query
        description: Restrict results to a specific country
        required: false
        schema:
          type: string
      - name: layers
        in: query
        description: Filter by Pelias layer types
        required: false
        schema:
          type: string
      - name: sources
        in: query
        description: Filter by data sources
        required: false
        schema:
          type: string
      - name: size
        in: query
        description: Number of results to return (max 40)
        required: false
        schema:
          type: integer
          default: 10
          maximum: 40
      responses:
        '200':
          description: Autocomplete suggestions as GeoJSON FeatureCollection
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GeocodeResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    GeocodeResponse:
      type: object
      properties:
        geocoding:
          type: object
          properties:
            version:
              type: string
            attribution:
              type: string
            query:
              type: object
            engine:
              type: object
              properties:
                name:
                  type: string
                author:
                  type: string
                version:
                  type: string
            timestamp:
              type: string
              format: date-time
        type:
          type: string
          enum:
          - FeatureCollection
        features:
          type: array
          items:
            $ref: '#/components/schemas/GeocodeFeature'
        bbox:
          type: array
          items:
            type: number
    GeocodeFeature:
      type: object
      properties:
        type:
          type: string
          enum:
          - Feature
        geometry:
          type: object
          properties:
            type:
              type: string
              enum:
              - Point
            coordinates:
              type: array
              items:
                type: number
              minItems: 2
              maxItems: 2
        properties:
          type: object
          properties:
            id:
              type: string
            gid:
              type: string
            layer:
              type: string
              description: Pelias layer (venue, address, street, neighbourhood, etc.)
            source:
              type: string
              description: Data source (openstreetmap, openaddresses, etc.)
            source_id:
              type: string
            name:
              type: string
            confidence:
              type: number
              format: double
            match_type:
              type: string
            accuracy:
              type: string
            country:
              type: string
            country_gid:
              type: string
            country_a:
              type: string
            region:
              type: string
            region_gid:
              type: string
            locality:
              type: string
            locality_gid:
              type: string
            postalcode:
              type: string
            label:
              type: string
              description: Full formatted address label
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: integer
              description: Error code
            message:
              type: string
              description: Human-readable error message
        info:
          type: object
          properties:
            engine:
              $ref: '#/components/schemas/EngineInfo'
            attribution:
              type: string
            timestamp:
              type: integer
              format: int64
    EngineInfo:
      type: object
      properties:
        version:
          type: string
          description: ORS engine version
        build_date:
          type: string
          format: date-time
          description: Build date of the ORS engine
  responses:
    Forbidden:
      description: Forbidden - API key does not have permission for this operation
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Unauthorized - missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Bad request - invalid parameters or request body
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: API key obtained from https://openrouteservice.org