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POST
/
submit
curl --request POST \
  --url https://builder.snek.fun/submit \
  --header 'Content-Type: application/json' \
  --data '{ "cbor": "84a500..." }'

{ "txHash": "..." }
Submits a fully-signed Cardano transaction CBOR to the network. Use this endpoint when the transaction is already fully signed and ready for relay submission.
Use /sign to attach a witness without submission, or /sign-and-submit to attach a witness and submit in one call.
Auth: Public

​
Request body

​
cbor
string
required
Hex-encoded fully-signed transaction CBOR.

​
Response

​
txHash
string
Hash of the submitted transaction.
curl --request POST \
  --url https://builder.snek.fun/submit \
  --header 'Content-Type: application/json' \
  --data '{ "cbor": "84a500..." }'

{ "txHash": "..." }

​
Error response

​
cause
string
Machine-readable error code.
​
message
string
Human-readable error message.
Possible errors:
  • 400 INVALID_PARAMS — the request body is missing cbor or cbor is not a string.
  • 500 SERVER_ERROR — the CBOR could not be processed or relay submission failed.
{
  "cause": "INVALID_PARAMS",
  "message": "Invalid input"
}