ApiWatch only
Build a PSBT spending to a destination (p2wpkh wallets)
POST
Gathers confirmed UTXOs across the wallet, builds a BIP-174 PSBT with witness_utxo per input for external signing (Sparrow, Coldcard, Ledger). Change returns to a fresh address.
bearerid*stringX-API-Version?stringAPI version for header-based versioning
Default
"1"Value in
"1""2"curl -X POST 'http://localhost:3001/api/v1/watchonly/wallets/string/psbt'Example Response201
Empty