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three.ws DeFi Market Yields API
x402
three.ws DeFi Market Yields API is a paid API for AI agents from three.ws, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-11).
Fetches live DeFi yield data (APY, TVL) across protocols and chains, sourced from DeFiLlama, with filtering and pagination.
Price / call$0.001
Success—
StatusUnknown
How this service works
Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.
Output
Returns a paginated list of DeFi pools with each pool's APY, TVL in USD, symbol, project slug, chain, pool UUID, and stablecoin flag. Also includes aggregate stats (median APY) and total pool count. When a pool UUID is provided, returns that pool's historical APY/TVL time series instead.
Example use cases
Find best stablecoin yield on a chain
“What are the top 10 stablecoin pools on Arbitrum right now, sorted by APY? Only show pools with at least $50k TVL.”
Research yields for a specific protocol
“Pull all the aave-v3 pools and sort them by TVL so I can see where the most liquidity is sitting.”
Track historical APY for a pool
“Give me the APY and TVL history for the DeFiLlama pool with ID 747c1d2a-c668-4682-b9f9-296708a3dd90 so I can see how yields have changed over time.”
Technical details
Endpoint
GEThttps://three.ws/api/x402/market-yields?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs live DeFi yield and TVL data across multiple protocols and chains, especially when filtering by chain, protocol, stablecoin status, or TVL threshold. Prefer it over generic web search for structured, machine-readable DeFi metrics. Useful for portfolio yield optimization, market research, and alerting workflows.
Side effects
- Invalid pool UUID returns empty or error response
- Unknown chain or project slug returns empty results
- Limit outside 1–200 range may be rejected or clamped
- Payment of 0.001 USDC not provided results in 402 Payment Required
- Requesting a pool UUID that has been delisted returns no history data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"pools": [
{
"apy": 2.9,
"pool": "747c1d2a-c668-4682-b9f9-296708a3dd90",
"chain": "Ethereum",
"symbol": "STETH",
"project": "lido",
"tvl_usd": 24100000000,
"stablecoin": false
}
],
"stats": {
"median_apy": 4.1
},
"total": 15234
}
}Tags
x402
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