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x402.donnyautomation.com base scan
https://x402.donnyautomation.com/base/scan
answers 402
Ranked cross-DEX arbitrage spreads across every liquid pair on Base (BaseSwap, SushiSwap and Uniswap v3). Returns opportunities[] with pair, grossSpreadBps, buyAt, sellAt, optimalTradeSizeUsd, capturable. GROSS, before gas and MEV. Optional ?minSpreadBps=20 (default 10), minVenueTvlUsd, limit. Send one param: a bare call skips the free tier. Errors: 400 bad_min_spread. Scans EVERY pair; for one kn
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x2740651e046c59aB2A6510401140643292d3a96F
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 114 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:12:49.331Z (31d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.donnyautomation.com%2Fbase%2Fscan"