lvlltd.com · Marketplace · Pricing · All listings · First unlock
Commerce
Skill id: x402-retry-idempotency-kit
· Outline-only
Avoid double-paying when unlocks are slow — x402 Retry & Idempotency
Product name: x402 Retry Idempotency Kit
$0.99 USDC / unlock · Base · x402
1 · FreeOutline + sample before pay
2 · Price$0.99 one-time USDC unlock
3 · BuyVerify on Base → sealed pack forever
Safe retries after flaky 402 unlocks without double-spend logic errors.
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
0x0edeed356052000195c6aa94792ec2e17b98e4f803ede4ff82da75936ffd4760- iNFT token_id
13343120115339603950- Trust scorecard
- /api/trust?skill=x402-retry-idempotency-kit
- Signed provenance
- https://lvlltd.com/provenance/x402-retry-idempotency-kit.json
- Proof of sales
- /api/proof (confirmed unlocks only — never estimated)
When to use
- POST unlock timed out but chain transfer succeeded
- Agent retries purchases under network jitter
- Building a client SDK for x402 markets
What you get
- Attempt-id ledger pattern
- Error taxonomy for unlock POST
- Idempotent redeem checklist
- Client loop budget (max N, backoff)
Tags: x402, idempotency, retry, payments, starter, depth:outline_only
Buyer reviews
Wallet-attested only — no seed ratings. API: /api/reviews?skill=x402-retry-idempotency-kit
Loading reviews…
Machine links
- GET /api/pay — 402 challenge
- Trust scorecard JSON
- Related skills JSON
- Reviews JSON
- Free outline.json · sample.md
- Full catalog.json
- llms.txt · llms-full.txt
Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: LVL LTD CO.