post
https://api.stake.fish/api/v1/chains/babylon-btc/transactions/prepare/undelegate
Prepare an unsigned unbonding PSBT that spends the staking output via the unbonding path.
Inputs Required:
- Staking transaction hash (hex) identifying the active delegation
- Staker's BTC address
Returns:
- Unsigned unbonding PSBT hex (to be signed by the staker)
- Raw unbonding transaction hex
- Original staking transaction hash
After signing the PSBT, broadcast the signed transaction via POST /transactions/broadcast/bitcoin.