For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Wraps a fully-signed inner XLM transaction in a CAP-15 fee-bump where the outer fee is paid by the designated fee-source address, instead of the account that signed the inner transaction.
Required role: RequestCreator.
Idempotent via externalRequestId.
Authentication
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Request
Wraps a fully-signed inner XLM transaction in a CAP-15 fee-bump so the fee is paid by the designated fee-source address instead of the account that signed the inner transaction. The caller supplies the signed inner XDR TransactionEnvelope.
feeSourceAddressIdstringRequiredformat: "uint64"
ID of the XLM address that pays the outer fee. Must be governed by an XLM_FeeBump rule line.
innerEnvelopestringRequiredformat: "byte"
XDR-encoded signed inner TransactionEnvelope (ENVELOPE_TYPE_TX/V1), embedded verbatim in the outer FeeBumpTransaction.
outerMaxFeestringOptional
Absolute cap on the outer fee in stroops, as a decimal string. Mirrors tg-protect-engine field name.
commentstringOptional
Optional reconciliation note included in transaction history.
externalRequestIdstringOptional
Caller-supplied idempotency key. Repeats with the same id return the original request unchanged.
