API Reference
Explain Endpoints
Transaction explainer and error decoder.
Explain transaction
Bash
POST /api/explain/tx
Authorization: Bearer slm_YOUR_KEY
{"signature": "5U3...abc"}Returns a SSE stream: first a tx_data event with parsed Helius data, then LLM explanation deltas.
Decode error
Bash
POST /api/explain/error
{"error_code": "0x1771", "program_id": "optional"}Returns lookup result (name, message, program) plus streaming AI explanation.