Submit Transaction

POST /v1/tx/submit

Submit a signed transaction to the network.

Request Body:

json

{
  "tx": "84a400...",
  "skipValidation": false
}

Field	Type	Description
`tx`	string	The signed transaction in CBOR base16 (hex) format
`skipValidation`	boolean	Optional. If `true`, skips transaction validation before submission. Default: `false`

Example Request:

bash

curl -X POST "https://api.fireblocks.partners.iagon.com/v1/tx/submit" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"tx": "84a400..."}'

# Skip validation (submit directly)
curl -X POST "https://api.fireblocks.partners.iagon.com/v1/tx/submit" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"tx": "84a400...", "skipValidation": true}'

Response:

Content-Type: application/json;charset=utf-8

json

{
  "success": true,
  "data": {
    "txHash": "abc123def456..."
  }
}

Errors:

Status Code	Description
400	Invalid transaction format
422	Transaction validation failed
500	Submission to network failed

Submit Transaction ​

POST /v1/tx/submit ​

Submit Transaction

POST /v1/tx/submit