# DevX 7702 Sweeper Check
> Free check whether an EVM address has an EIP-7702 delegation (wallet sweeper) on 8 chains. Paid full report 0.01 USDC via x402 on Base.
- Explainer: https://sweeper-check.nextill-pos.workers.dev/what-is-an-eip-7702-sweeper
- Free API: GET /api/basic?address=0x...
- Paid API (x402): GET /v1/check?address=0x...,0x...
- MCP: https://sweeper-check.nextill-pos.workers.dev/mcp
- OpenAPI: /openapi.json
- Source: https://github.com/devx-agent/7702-sweeper-check
- Related: https://crypto-link-check.nextill-pos.workers.dev/how-to-spot-fake-crypto-links