Lumen Agent Utilities
Use when you hold raw EVM calldata and need to know what function it calls: returns selector, matching signatures (built-in + openchain/4byte) and ABI-decoded args for each candidate; unknown selectors return signaturesFound:0 instead of an
Go to this service →Our latest check (2026-10-11)
- Answering
- No — HTTP 404
- Time to answer
- 175 ms
- Price
- $0.002 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Unclassified
- Address
- https://lumenworks-x402-decoder.onrender.com/v1/calldata/decode
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/caa3525f44d2.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).