REST API

The Stratix REST API — same surface the dashboard and SDK use.

The Stratix REST API is the underlying interface the dashboard and SDK both call. If you're building a tool in a language without a Stratix SDK (Go, TypeScript, Ruby, etc.), use the REST API directly.

Base URL

https://stratix.layerlens.ai/api/v1

Authentication

X-API-Key: ll_xxxxxx...

Generate keys at Premium → Settings → API keys.

Common endpoints

Method	Path	Description
GET	/models	List models
GET	/models/{id}	Get a model
GET	/benchmarks	List benchmarks
POST	/evaluations	Create an evaluation
GET	/evaluations/{id}	Get an evaluation
POST	/traces	Ingest a trace
GET	/traces/{id}	Get a trace
POST	/judges	Create a judge
POST	/judge-optimizations	Run GEPA
POST	/trace-evaluations	Run a trace evaluation

Full reference: API reference.

curl example

curl -H "X-API-Key: $LAYERLENS_STRATIX_API_KEY" \
 https://stratix.layerlens.ai/api/v1/models

Errors

Status	Meaning
200	Success
400	Bad request (validation)
401	Unauthenticated
403	Forbidden (org/role)
404	Not found
429	Rate limited
500	Server error

Request IDs

Every response includes an X-Request-ID header and (where relevant) a request_id field in the body. Cite this when filing support tickets.

Where to next

• API reference
• Python SDK
• CLI reference