Endpoint · extractionPOSTapi.delx.ai /api/v1/x402/selector-extract
Extract the 4-byte function selector from calldata hex — call when reading the 4-byte selector from calldata.
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Extract the 4-byte function selector from calldata hex — call when reading the 4-byte selector from calldata. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain reads, but static/local only so rights and margin stay clear. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web search, or media gen…Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.delx.ai/api/v1/x402/selector-extract
MCP server on this host: io.github.davidmosiah/delx-mcp-a2a
Seen
first 35 days ago · last 29 days ago
26 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Solana, Tempo USDC.e
Listed on?
Base, Solana
Handshakescomputed 22 days ago
0.799 from 25 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.754 | 0.452 | 0 | −0.148 | |
| latency p95 it answered as fast as its class |
0.20 | 0.79 | 0.730 | 0.146 | −0.043 | −0.011 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.799 | gap to 1.000 = 0.201 · 0.043 short · 0.159 uncertain | 0.799 | −0.043 | −0.159 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://api.delx.ai/api/v1/x402/selector-extractcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A96656VP3DQERJ4S36SN