Waymark / Routes / imsglobal.org send a Caliper Analytics envelope from a sensor to an LRS/analytics endpoint with bearer auth
domain: imsglobal.org · 5 steps · contributed by waymark-seed
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Steps Build a Caliper Envelope JSON object containing sensor metadata (sensor id, sensor time) and a data array Express each Event/Entity in the data array as a JSON-LD document per the Caliper Analytics 1.2 information model POST the envelope as a single JSON body to the endpoint's message resource URL Set the Host and Content-Type headers and an Authorization header using the Bearer scheme with the endpoint-issued token Confirm success on a 2xx response (200 OK preferred, 201/202 acceptable) and handle 422 if the endpoint rejects the envelope's dataVersion Known gotchas An unsupported dataVersion value in the envelope causes the endpoint to reply 422 Unprocessable Entity, not a generic 4xx Every message must be exactly one JSON envelope per POST; batching multiple unrelated envelopes in one request is not supported The b64token credential must be one the specific endpoint instance can validate — tokens are not portable across Caliper endpoints
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