Invalid chain identifier

HTTP status: 400 Retryable: No

Description

The chain identifier you provided is not recognized. Blockdaemon accepts CAIP-2 format (e.g. eip155:1), human-readable slugs (e.g. ethereum), and numeric chain IDs for EVM chains.

Resolution

Use the GET /chains/v2 endpoint to retrieve the full list of supported chain identifiers and their accepted formats. Correct the chain path parameter in your request.

Example response

{
  "error": {
    "code": "invalid_chain_id",
    "docUrl": "https://docs.blockdaemon.com/errors/invalid_chain_id",
    "message": "The provided chain identifier 'eth-main' is not recognized",
    "occurredAt": "2026-02-10T10:00:00Z",
    "requestId": "req_abc123xyz",
    "status": 400
  }
}