# Services from yieldsignal.vercel.app on Zero

> yieldsignal.vercel.app serves 17 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/yieldsignal.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/yieldsignal.vercel.app/health.json

## Services

- [YieldSignal USDC Base Yield Persistence Analytics](https://www.zero.xyz/c/yieldsignal-usdc-base-yield-persistence-analytics-92c92a90/llms.txt): $1/call via x402. Returns statistical persistence metrics for USDC lending yield leadership on Base — median lead duration, survival rates, rotation patterns, and alpha of chasing the leader — derived from hourly on-chain EAS attestations.
- [YieldSignal USDC/Base Kink Sensitivity](https://www.zero.xyz/c/yieldsignal-usdc-base-kink-sensitivity-fea3807b/llms.txt): $0.25/call via x402. Returns per-protocol utilization, kink thresholds, headroom in basis points, and borrow APY around the kink for USDC lending on Base (Aave and Compound only)
- [YieldSignal WETH Base Sensitivity](https://www.zero.xyz/c/yieldsignal-weth-base-sensitivity-581be3e0/llms.txt): $0.25/call via x402. Returns how close WETH lending on Base is to the interest rate kink point where borrow rates spike, with per-protocol utilization data from Aave and Compound.
- [YieldSignal WETH Base Lending APY](https://www.zero.xyz/c/yieldsignal-weth-base-lending-apy-ff6c1204/llms.txt): $0.1/call via x402. Returns real-time risk-weighted WETH lending APY across major Base DeFi protocols (Aave, Compound, Morpho, Moonwell, Euler, Fluid) with source attribution and EIP-712 signed response.
- [YieldSignal USDC-Base Exit Capacity](https://www.zero.xyz/c/yieldsignal-usdc-base-exit-capacity-2dbc5cf4/llms.txt): $0.25/call via x402. Returns per-protocol exit capacity for USDC lending on Base, including utilization rates and withdrawable liquidity from Aave and Compound, with an optional verdict on whether a specific position size can be withdrawn right now.
- [YieldSignal WETH-Base Exit Capacity](https://www.zero.xyz/c/yieldsignal-weth-base-exit-capacity-8043da06/llms.txt): $0.25/call via x402. Returns per-protocol utilization and withdrawable exit liquidity for WETH lending on Base, with an optional size-based exit verdict.
- [YieldSignal ETH Liquid Staking APY](https://www.zero.xyz/c/yieldsignal-eth-liquid-staking-apy-9d4ab3a9/llms.txt): $0.1/call via x402. Returns real-time risk-weighted APY for ETH liquid staking protocols (Lido, Rocket Pool, Coinbase cbETH, Frax Ether, Binance stETH) sourced live from DefiLlama with per-source tags
- [YieldSignal USDC Base Yield Decision](https://www.zero.xyz/c/yieldsignal-usdc-base-yield-decision-3b440c4f/llms.txt): $0.5/call via x402. Returns a MOVE or HOLD decision for USDC lending on Base, with expected net gain, break-even days, and confidence tier given current position, size, move cost, and time horizon
- [YieldSignal USDC Base Yield Durability Analysis](https://www.zero.xyz/c/yieldsignal-usdc-base-yield-durability-analysis-86af644b/llms.txt): $0.25/call via x402. Returns per-protocol breakdown of how much USDC lending APY on Base survives if incentive/reward programs stop, including base vs. reward split and the post-incentive APY floor.
- [YieldSignal USDC Base Shared Risk Exposure](https://www.zero.xyz/c/yieldsignal-usdc-base-shared-risk-exposure-806fba21/llms.txt): $0.25/call via x402. Analyzes shared risk exposure across declared USDC lending positions on Base, breaking down capital concentration per collateral, oracle, and curator across Aave, Morpho, and Compound.
- [YieldSignal USDC Base Yield](https://www.zero.xyz/c/yieldsignal-usdc-base-yield-d1443962/llms.txt): $0.1/call via x402. Returns real-time risk-weighted USDC lending APYs across major Base DeFi protocols (Aave, Compound, Morpho, Moonwell, Euler, Fluid), with source-tagged readings and EIP-712 signed responses.
- [YieldSignal WETH Base Durability](https://www.zero.xyz/c/yieldsignal-weth-base-durability-0aaf2a26/llms.txt): $0.25/call via x402. Returns what fraction of WETH lending APY on Base survives if incentive programs end, decomposing yield into organic vs incentive-driven components across major protocols.
- [YieldSignal WETH/Base MOVE/HOLD Decision](https://www.zero.xyz/c/yieldsignal-weth-base-move-hold-decision-6492c6c7/llms.txt): $0.5/call via x402. Returns a MOVE or HOLD lending decision for WETH on Base, incorporating real-time on-chain rates from Aave, Compound, Morpho, Moonwell, Euler, and other protocols.
- [YieldSignal WETH Base Exposure Analyzer](https://www.zero.xyz/c/yieldsignal-weth-base-exposure-analyzer-640d7882/llms.txt): $0.25/call via x402. Returns shared risk exposure breakdown across declared WETH lending positions on Base, identifying protocol-level concentration and unattributable collateral risks.
- [YieldSignal ETH Liquid Staking Yield Persistence](https://www.zero.xyz/c/yieldsignal-eth-liquid-staking-yield-persistence-6a024dad/llms.txt): $1/call via x402. Returns historical persistence statistics for ETH liquid staking yield leadership — median lead duration, survival rates at 6/24/72h, and leader rotation round-trip share — based on observed on-chain history.
- [YieldSignal WETH Base Yield Leadership Persistence](https://www.zero.xyz/c/yieldsignal-weth-base-yield-leadership-persistence-781b746d/llms.txt): $1/call via x402. Returns how long the current WETH lending yield leader on Base has held its top position, with censoring flags for unbroken leadership windows, based on observed on-chain history.
- [YieldSignal ETH Liquid Staking Decision](https://www.zero.xyz/c/yieldsignal-eth-liquid-staking-decision-24d4278a/llms.txt): $0.5/call via x402. Returns a MOVE or HOLD buy-side signal for ETH liquid staking on Ethereum mainnet based on current risk-weighted APY data across major staking protocols.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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