# Get transaction details Returns transaction details by hash Endpoint: GET /tx/{hash} Version: 1.0.0 Security: ApiKeyAuth ## Path parameters: - `hash` (string, required) ## Response 400 fields (application/json): - `error` (string) Example: "Bad request" ## Response 401 fields (application/json): - `error` (string) Example: "API key missing or invalid" ## Response 404 fields (application/json): - `error` (string) Example: "Not found"