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PATCH
/
custodians
/
me
/
gas-sponsorship
/
chains
/
{chainId}
Update gas sponsorship for a chain
curl --request PATCH \
  --url https://api.portalhq.io/api/v3/custodians/me/gas-sponsorship/chains/{chainId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "value": "10"
}'
{
  "chainId": "eip155:11155111",
  "currentPeriod": {
    "maxGasAllowanceLimit": "499",
    "gasUsage": "0.35080714673101143",
    "endsAt": "2026-02-13T17:49:43.000Z"
  }
}

Authorizations

​
Authorization
string
header
required

Portal API Key (Custodian API Key). Pass as a Bearer token in the Authorization header.

Path Parameters

​
chainId
string
required

The CAIP-2 chain ID. Be sure the colon (:) is URI-encoded as %3A in the URL.

Body

application/json
​
value
string
required

The new maximum gas allowance limit in ETH/SOL units.

Response

Gas sponsor updated successfully

​
chainId
string
​
currentPeriod
object