Bump Fee - Finrock

curl --request POST \
     --url https://api.finrock.io/dac/v1/bump-fee \
     --header 'Authorization: Bearer {JWT}' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --header 'x-api-key: YOUR_API_KEY' \
     --data '{
       "txn_id": "398d5516-a32e-4116-8963-36cbf81b1f0d",
       "fee_rate": 24
     }'

{
  "code": 1000,
  "error": null,
  "info": null
}

POST

dac

bump-fee

curl --request POST \
     --url https://api.finrock.io/dac/v1/bump-fee \
     --header 'Authorization: Bearer {JWT}' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --header 'x-api-key: YOUR_API_KEY' \
     --data '{
       "txn_id": "398d5516-a32e-4116-8963-36cbf81b1f0d",
       "fee_rate": 24
     }'

{
  "code": 1000,
  "error": null,
  "info": null
}

MCP scope: dac.funds (not available to AI connectors yet) The Bump Fee endpoint raises the network fee of a transaction that is still pending, so it confirms faster. Pass the transaction’s txn_id and a new, higher fee_rate. To pick a rate, check current conditions with Network Fee Rates.

Body Parameters

string

required

The Finrock ID of the pending transaction to speed up, as returned by Create Transaction or List Transactions.

float

required

The new fee rate, in the unit for the transaction’s blockchain (for example, Sat/Byte for BTC or GWei for ETH). See Gas Fees for the unit of each blockchain.

curl --request POST \
     --url https://api.finrock.io/dac/v1/bump-fee \
     --header 'Authorization: Bearer {JWT}' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --header 'x-api-key: YOUR_API_KEY' \
     --data '{
       "txn_id": "398d5516-a32e-4116-8963-36cbf81b1f0d",
       "fee_rate": 24
     }'

Response

A successful request returns HTTP 200 confirming the transaction was resubmitted with the new fee rate.

integer

1000 when the fee bump was accepted.

string | null

null on success.

string | null

Additional information, if any. null on success.

{
  "code": 1000,
  "error": null,
  "info": null
}