lvlltd.com · Marketplace · All listings · First unlock

Trust Skill id: gf-q-security-review-pay · Standard

Review checklist for pay.js challenge/verify/unlock invariants — Pay API Security Review Notes

Product name: Pay API Security Review Notes

$8.99 USDC / unlock · Base · x402

1 · FreeOutline + sample before pay
2 · Price$8.99 one-time USDC unlock
3 · BuyVerify on Base → sealed pack forever

Review checklist for pay.js challenge/verify/unlock invariants.

Buy with USDC Free outline JSON Free sample x402 challenge

Provenance & integrity

Publisher
LVL LTD CO · lvlltd.com
Payment
USDC on Base (eip155:8453) via HTTP 402 · sealed pack after verified tx
Content class
capability_pack_outline
Sealed data_hash
0x6de5fd10bf3f0f5fa4b645e8343cad68f4ed6c2e00a0f8860736a63839468320
iNFT token_id
4869967215746845194
Trust scorecard
/api/trust?skill=gf-q-security-review-pay
Signed provenance
https://lvlltd.com/provenance/gf-q-security-review-pay.json
Proof of sales
/api/proof (confirmed unlocks only — never estimated)

When to use

What you get

Tags: trust, service, continuous, x402, quality-factory, decision-grade, functional, sealed-runtime, gf-complete, depth:standard

Buyer reviews

Wallet-attested only — no seed ratings. API: /api/reviews?skill=gf-q-security-review-pay

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Machine links

Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: LVL LTD CO.