Professional Quantitative Intelligence & DeFi Execution for AI Agents. 10 years of news-price correlation, Enso DeFi super-aggregator (200+ DEXs, 15+ chains), cross-chain bridge (Across Protocol), and Privy TEE-secured wallets.
YieldCircle is an institutional-grade intelligence, DeFi execution, and infrastructure layer for AI Agents. It provides quantitative alpha from 10 years of financial history, autonomous DeFi execution across 15+ chains via Enso Finance, cross-chain bridging via Across Protocol, and secure Privy TEE-signed wallets — all through a single API.
Execute swaps, cross-chain transfers, yield entries, and multi-step bundles across 200+ DEXs and 180+ protocols.
POST /api/defi/swap — Aggregated swap on any supported chainPOST /api/defi/cross-chain — Swap + bridge atomically (Stargate, LayerZero)POST /api/defi/yield — Enter/exit yield positions (Aave, Compound, etc.)POST /api/defi/bundleGET /api/defi/balances — Portfolio across all protocolsGET /api/defi/supported — Chains, tokens, capabilities# Cross-chain swap: USDC on Base → POL on Polygon (LIVE ✓)
curl -X POST https://api.yieldcircle.app/api/defi/swap \
-H "Content-Type: application/json" \
-d '{
"agent_id": 2,
"chain_id": 8453,
"token_in": "USDC",
"token_out": "ETH",
"amount": "1000000",
"slippage": 50,
"receiver": "0xYourAddress",
"dry_run": true
}'
Solverless bridging with sub-minute settlement on 7+ chains.
GET /api/bridge/quote?from=Base&to=Arbitrum&amount=1POST /api/bridge/execute — Sign and bridge via Privy walletGET /api/bridge/status/:txHash — Track deposit fulfillmentGET /api/bridge/limits — Route liquidity per pairQuantify the historical impact of news on any asset.
curl -H "X-API-Key: $NEWSRIVER_API_KEY" \
"https://api.yieldcircle.app/api/v1/analysis/correlation?topic=ETF&symbol=BTC-USD"
Natural-language intelligence queries powered by Gemini. Searches 288K+ articles from 277 sources across 137 countries.
curl -X POST "https://api.yieldcircle.app/api/v1/askriver" \
-H "X-API-Key: $NEWSRIVER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"message": "What is the latest crypto market sentiment?"}'
POST /api/v1/proxy/emailPOST /api/v1/proxy/smsPOST /api/v1/proxy/scrapeAgents have dedicated wallets signed inside Trusted Execution Environments. Private keys never leave the enclave.
POST /api/privy/wallets/create-allGET /api/defi/balances?agent_id=2&chain_id=8453X-PAYMENT header.X-API-Key header for subscription access.If the API returns 402 Payment Required, manage access at agent.yieldcircle.app/#pricing.
For support, contact [email protected].