Skip to main content
POST
/
transactions
/
broadcast
/
{transactionId}
cURL
curl -X POST https://api.relayer.fi/v1/transactions/broadcast/$TRANSACTION_ID \
  -H "Authorization: ApiKey $RELAYER_API_KEY"
{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {
    "transactionId": "tx-uuid-abc123",
    "txHash": "0x789...",
    "status": "broadcasted",
    "broadcastedAt": "2024-01-01T12:10:00Z"
  },
  "path": "<string>",
  "traceId": "<string>"
}

Authorizations

​
Authorization
string
header
required

Use this format: ApiKey <your_api_key>

Path Parameters

​
transactionId
string
required

Transaction ID

Example:

"tx-uuid-abc123"

Query Parameters

​
integratorId
string

Integrator ID (required for ADMIN/INTERNAL scope)

Example:

"uuid-integrator-id"

Body

application/json

Broadcast parameters

​
rpcUrl
string

RPC URL for broadcasting (optional, uses default if not provided)

Example:

"https://api.avax.network/ext/bc/C/rpc"

Response

Transaction broadcasted successfully

​
success
boolean
required
​
message
string
required
​
statusCode
number
required
​
timestamp
string
required
​
data
object
​
path
string
​
traceId
string