Flow
flow-kg4x.vercel.app · 7 paid endpoints · listed 2026-10-27
Use when an agent is about to swap on Base and needs the best executable price before committing funds. Flow best-execution quotes: compares Uniswap V3, PancakeSwap V3 and Aerodrome across fee tiers, plus two-hop routes via WETH, and returns the best venue, expected output, edge vs Uniswap baseline, block number, and an expiry window so the agent knows exactly how long the price holds.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | flow-kg4x.vercel.app/api/quote Use when an agent is about to swap on Base and needs the best executable price before committing funds. Flow best-execution quotes: compares Uniswap V3, Pancake | $0.01 | Base |
| GET | flow-kg4x.vercel.app/api/signals Use when an agent is polling for fresh smart-wallet buy signals on Base and needs only what's new since its last check. Flow signal feed: the chronological stre | $0.01 | Base |
| GET | flow-kg4x.vercel.app/api/smart-wallets Use when an agent needs to know what profitable Base wallets are buying right now, or where social attention is spiking, before taking a position. Flow smart-wa | $0.01 | Base |
| POST | flow-kg4x.vercel.app/api/verify Flow contract safety verification for AI agents: send a token or contract address on Base and get a verdict (safe|caution|danger), a 0-100 safety score, the red | $0.02 | Base |
| POST | flow-kg4x.vercel.app/api/fill Flow fill instruction on Base: the executable route package (venue, router, calldata params, min output, expiry block) for a swap whose best quote beats the Uni | $0.026256 | Polygon, Arbitrum, eip155:480, Base |
| POST | flow-kg4x.vercel.app/api/paycheck Use when an agent is about to pay another agent and needs one finished answer first: should you pay this payee? PayCheck ($0.50) runs Flow's whole checker stack | $0.50 | Polygon, Arbitrum, eip155:480, Base |
| POST | flow-kg4x.vercel.app/api/space/ticket Gigabyte Space — ask-the-cast ticket. Pay $0.50 USDC on Base and put one written question into the live Space speaker queue: when the cast calls your ticket, yo | $0.50 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | flow-kg4x.vercel.app/api/fill | 402 | 326 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-01 | 10 | $0.59 | |
| 2026-10-31 | 11 | $0.60 | |
| 2026-10-30 | 3 | $0.52 | |
| 2026-10-29 | 4 | $0.53 | |
| 2026-10-28 | 1 | $0.50 | |
| 2026-10-27 | 1 | $0.50 | |
| 2026-10-26 | 1 | $0.50 | |
| 2026-10-25 | 3 | $0.536256 |
Is this your API?
<a href="https://logicnodes.io/observatory/p/flow-kg4x.vercel.app"><img src="https://logicnodes.io/observatory/badge/flow-kg4x.vercel.app.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/flow-kg4x.vercel.app