Kiln Connect API - version 1.14
October 28th, 2026
⚠️ This release removes the BTC/Babylon (BTCBABY) protocol, following the sunset of Kiln's Babylon finality providers.
Full reference available here: https://docs.api.kiln.fi/reference
Changelog
❌ Removed BTC/Babylon (BTCBABY) protocol
Kiln no longer operates Babylon BTC staking finality providers, so the BTC/Babylon endpoints have been removed:
GET /btc/baby/stakes- StakesGET /btc/baby/rewards- RewardsPOST /btc/baby/transaction/btc-lock- BTC Lock Transaction for Babylon StakingPOST /btc/baby/transaction/baby-register-stake- Babylon Register Stake Transaction for BTC StakingPOST /btc/baby/transaction/baby-withdraw-rewards- Craft BABY Withdraw Rewards TransactionPOST /btc/baby/transaction/btc-unbond- Craft BTC Unbond TransactionPOST /btc/baby/transaction/btc-prepare-signed-unbond- Prepare Signed BTC Unbonding TransactionPOST /btc/baby/transaction/btc-withdraw- Craft BTC Withdraw TransactionPOST /btc/baby/transaction/btc-broadcast- Broadcast BTC TransactionPOST /btc/baby/transaction/baby-prepare- Prepare BABY TransactionPOST /btc/baby/transaction/baby-broadcast- Broadcast BABY Transaction
❌ Removed Omnivaults
The Omnivaults product has been discontinued and its endpoints are no longer served:
GET /omnivaults- OmnivaultsGET /omnivaults/positions- Omnivault Positions
🔧 Changes to existing endpoints
GET /accounts/{id}/portfolio,GET /organizations/{id}/portfolio:BTC/BABYis no longer a possibletokenvalue.GET /accounts/{id}/stakes:babylonis no longer a possibleprotocolvalue.POST /accounts/{id}/stakes:BTC/BABYis no longer an acceptedprotocolvalue.

