inference · Listed · Found · 8 endpoints · Gateway-eligible
x402-key
x402-key-url-tools
Validate an OpenAI-compatible base URL contract, models endpoint, chat completions path, advertised models, and sample request without calling an upstream model
Indexed from this operator's public /.well-known/x402.json. Found is not operator-owned and is not attested. Claim or opt out.
Agent Read · Cleared Index
ROUTE
Route when you need inference at published x402 prices.
confidence
78%
source
signal
Index before you pay. Same payload for agents:
GET /api/cleared/agent-read?slug=cat-x402-key-558686-xyz
When to call
- Need inference via x402 and want Cleared-indexed payTo with a live scorecard.
- Single-call floor around $0.00.
- Validate an OpenAI-compatible base URL contract, models endpoint, chat completions path, advertised models, and sample request without calling an upstream model
Risks
- Found — not operator-owned; claim status unknown.
- No Cleared settlement receipt on file yet.
- No Gateway traffic yet — market share unproven.
Price posture
Published floor $0.00 across 8 endpoints.
Category · Gateway
inference · no Gateway routes yet — early / unproven on Cleared market share.
Endpoint hints
POST /v1/tools/api-url-contract-linterValidate an OpenAI-compatible base URL contract, models endpoint, chat completions path, advertised models, and sample request without calling an upstream model
GET /v1/paid/api-codex-key-pack-1Trial URL + Key pack with $1 quota for first verification. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key tr
GET /v1/paid/api-codex-key-pack-10URL + Key pack with $10 quota for small repeated tests. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key trial
GET /v1/paid/api-codex-key-pack-100URL + Key pack with $100 quota for serious workflow testing. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key
GET /v1/paid/api-codex-key-pack-1000URL + Key pack with $1000 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12.
GET /v1/paid/api-codex-key-pack-50URL + Key pack with $50 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12. Br
GET /v1/paid/api-codex-key-pack-500URL + Key pack with $500 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12. B
GET /v1/tools/api-url-readiness-checkGET /v1/tools/api-url-readiness-check at $0.00.
Evidence (Cleared)
- → Intake verified · Gateway-eligible
- → Trust 70/100 · pass · tier listed
- → Protocol x402
- → Manifest reachable · schema valid
- → Found listing — indexed from public x402.json, not operator-attested.
Endpoints
x402 API Key + URL Packs: API URL Contract Linter
Not used$0.00POST https://x402-key.558686.xyz/v1/tools/api-url-contract-linterValidate an OpenAI-compatible base URL contract, models endpoint, chat completions path, advertised models, and sample request without calling an upstream model. Buy a $100 OpenAI-compatible API Key + URL quota pack for $11.1112 through x402, with a free readiness preview and safe delivery recovery. Start buyer evaluation at https://x402-key.558686.xyz/x402/buyer-use-cases or machine JSON https://x402-key.558686.xyz/x402/buyer-use-cases.json; checkout contract JSON is https://x402-key.558686.xyz/x402/checkout.json. Route payment activation JSON is https://x402-key.558686.xyz/x402/route/api-url-contract-linter/payment-activation.json. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-url-contract-linter/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-url-contract-linter/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm viem && PAY_REAL_X402=1 EVM_PRIVATE_KEY=$EVM_PRIVATE_KEY node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: the standard Payment-Required header includes firstPaymentClient, paymentClientUrl, and sameRequestRetryRequired pointers; X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client mirror the same handoff.
x402 API Key + URL Packs: Api Codex Key Pack 1
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-1Trial URL + Key pack with $1 quota for first verification. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key trial pack priced at $0.12. Start buyer evaluation at https://x402-key.558686.xyz/x402/buyer-use-cases or machine JSON https://x402-key.558686.xyz/x402/buyer-use-cases.json; checkout contract JSON is https://x402-key.558686.xyz/x402/checkout.json. Route payment activation JSON is https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1/payment-activation.json. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=$EVM_PRIVATE_KEY node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: the standard Payment-Required header includes firstPaymentClient, paymentClientUrl, and sameRequestRetryRequired pointers; X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client mirror the same handoff.
x402 API Key + URL Packs: Api Codex Key Pack 10
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-10URL + Key pack with $10 quota for small repeated tests. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key trial pack priced at $0.12. Start buyer evaluation at https://x402-key.558686.xyz/x402/buyer-use-cases or machine JSON https://x402-key.558686.xyz/x402/buyer-use-cases.json; checkout contract JSON is https://x402-key.558686.xyz/x402/checkout.json. Route payment activation JSON is https://x402-key.558686.xyz/x402/route/api-codex-key-pack-10/payment-activation.json. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-10/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-10/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=$EVM_PRIVATE_KEY node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: the standard Payment-Required header includes firstPaymentClient, paymentClientUrl, and sameRequestRetryRequired pointers; X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client mirror the same handoff.
x402 API Key + URL Packs: Api Codex Key Pack 100
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-100URL + Key pack with $100 quota for serious workflow testing. Standalone x402 URL + Key quota pack checkout with a $0.001 URL readiness check and a $1 quota key trial pack priced at $0.12. Start buyer evaluation at https://x402-key.558686.xyz/x402/buyer-use-cases or machine JSON https://x402-key.558686.xyz/x402/buyer-use-cases.json; checkout contract JSON is https://x402-key.558686.xyz/x402/checkout.json. Route payment activation JSON is https://x402-key.558686.xyz/x402/route/api-codex-key-pack-100/payment-activation.json. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-100/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-100/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=$EVM_PRIVATE_KEY node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: the standard Payment-Required header includes firstPaymentClient, paymentClientUrl, and sameRequestRetryRequired pointers; X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client mirror the same handoff.
x402 API Key + URL Packs: Api Codex Key Pack 1000
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-1000URL + Key pack with $1000 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1000/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-1000/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=0x... node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client.
x402 API Key + URL Packs: Api Codex Key Pack 50
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-50URL + Key pack with $50 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-50/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-50/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=0x... node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client.
x402 API Key + URL Packs: Api Codex Key Pack 500
$0.00GET https://x402-key.558686.xyz/v1/paid/api-codex-key-pack-500URL + Key pack with $500 quota. Standalone x402 URL + Key quota pack checkout with a $0.009 URL readiness check and a $1 quota key trial pack priced at $0.12. Browsers can inspect the quote, but payment requires a buyer-owned runtime that signs and retries the same request with X-PAYMENT. Buyers can download the route-specific first-payment client at https://x402-key.558686.xyz/x402/route/api-codex-key-pack-500/first-payment-client.mjs, run node first-payment-client.mjs for quote-only checks, then opt into a buyer-owned x402 payment with PAY_REAL_X402=1. Copy-ready first paid request: curl -fsSL https://x402-key.558686.xyz/x402/route/api-codex-key-pack-500/first-payment-client.mjs -o first-payment-client.mjs && npm install @x402/fetch @x402/core @x402/evm @x402/svm viem @solana/kit @scure/base && PAY_REAL_X402=1 EVM_PRIVATE_KEY=0x... node first-payment-client.mjs. Generic clients can also discover it from the live 402 response headers: X-First-Payment-Client, X-Download-Install-Then-Pay-Command, and Link rel=payment-client.
https://x402-key.558686.xyz/v1/tools/api-url-readiness-check
$0.00GET https://x402-key.558686.xyz/v1/tools/api-url-readiness-checkChecks
reachable
valid
2026-08-24T23:45:35.321Z
Recheck delta: +15 (55 → 70)
No settlement evidence found in chain signals.
Gateway routing
Verified (or paid Cleared) — Gateway may route this origin before pay.
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