Docs
GET /v2/rest-protocol.proto

Download the REST protobuf schema

stream_getRestProtocolProto

The .proto file for the protobuf response bodies served with Accept: application/x-protobuf. Plain text, no authentication required.

Details

Operations that offer protobuf say so in their description, for example GET /v2/gex/{symbol}/grid.

Response

Prices are dollars, timestamps epoch milliseconds, strikes integer thousandths of a dollar; null means unknown. Units →

200text/plain

The public protobuf schema for the negotiated REST bodies (bars / replay / gex grid / chain), served under Accept: application/x-protobuf.