generated: '2026-09-13'
method: searched
source: https://docs.here.com/positioning/docs/here-gnss-data-api-v1-appendices-protobuf-message.md and https://docs.here.com/positioning/docs/here-hd-gnss-positioning-api-appendices-protobuf-messages.md
  — HERE publishes these .proto files verbatim in its own documentation code blocks and instructs readers to copy
  them.
note: 'These are wire-format message definitions, not gRPC service definitions: the GNSS assistance protocol runs
  over a WebSocket and the HD GNSS positioning protocol over MQTT. No `service` block and no gRPC endpoint exists,
  so this is Protobuf-as-contract rather than gRPC. Nothing here was authored by API Evangelist — each file is the
  provider''s own text, copied verbatim including its copyright header.'
transport:
  here.gnss: WebSocket
  here.hdgnss.positioning: MQTT
apis:
- HERE GNSS Data API v2 (openapi/here-gnss-data-v2-openapi.yml)
- HERE HD GNSS Positioning API
files:
- file: here-gnss.proto
  package: here.gnss
  syntax: proto3
  source: https://docs.here.com/positioning/docs/here-gnss-data-api-v1-appendices-protobuf-message.md
  messages: 6
  enums: 0
  services: 0
  message_names:
  - Message
  - Request
  - Unsubscribe
  - Data
  - Metadata
  - Error
  bytes: 6488
- file: here-gnss-data-types.proto
  package: here.gnss
  syntax: proto3
  source: https://docs.here.com/positioning/docs/here-gnss-data-api-v1-appendices-protobuf-message.md
  messages: 0
  enums: 3
  services: 0
  message_names: []
  bytes: 14181
- file: here-hdgnss-positioning-configuration.proto
  package: here.hdgnss.positioning
  syntax: proto3
  source: https://docs.here.com/positioning/docs/here-hd-gnss-positioning-api-appendices-protobuf-messages.md
  messages: 1
  enums: 2
  services: 0
  message_names:
  - Configuration
  bytes: 3087
- file: here-hdgnss-positioning-measurements.proto
  package: here.hdgnss.positioning
  syntax: proto3
  source: https://docs.here.com/positioning/docs/here-hd-gnss-positioning-api-appendices-protobuf-messages.md
  messages: 4
  enums: 0
  services: 0
  message_names:
  - Measurements
  - GnssMeasurement
  - GnssAndroidMeasurements
  - SatelliteData
  bytes: 5878
- file: here-hdgnss-positioning-server-response.proto
  package: here.hdgnss.positioning
  syntax: proto3
  source: https://docs.here.com/positioning/docs/here-hd-gnss-positioning-api-appendices-protobuf-messages.md
  messages: 6
  enums: 4
  services: 0
  message_names:
  - ServerResponse
  - Response
  - Position
  - NoPosition
  - Information
  - Error
  bytes: 5661