Agents

Agent Retry Decision x402 REST

Decide whether an API/tool failure should be retried and suggest the next action

agent-product-normalizer.vercel.app Other services checked 2026-10-29

0.001 USDC per call per call

Spark Invocation Assurance x402 REST

Validate an intended paid API request against its declared contract before spending. Returns VALID, INVALID, or UNKNOWN with machine-readable reasons. Target URL is never called.

spark-api-preflight.replit.app Crypto & Payments checked 2026-10-29

0.001 USDC per call per call

Quietforge x402 Service Index x402 REST

One endpoint from the index plus its last 20 health samples (status code, latency, alive) and its uptime across those probes — our own probe history, not upstream metadata. Aggregated from the public Coinbase CDP and Pay...

qf-api.quietforge-studio.workers.dev Infrastructure checked 2026-10-29

0.002 USDC per call per call

Melchior Video Context x402 REST

Normalize text, WebVTT, SRT, or timestamped segments into compact, citeable chunks for AI agents.

transcript.melchiorlabs.com Media & Creative checked 2026-10-29

0.003 USDC per call per call

LEGIT x402 REST

LEGIT: trust scores and organic demand intelligence for the x402 agentic economy. Created by GONNA.

legit.gonna.bond Crypto & Payments checked 2026-10-29

0.005 USDC per call per call

Nexus Reader x402 REST

Readable text from a public webpage

nexus-reader-4um6.onrender.com Web & Scraping checked 2026-10-29

0.01 USDC per call per call

Verified Catalog Lookup x402 REST

Verified catalog reliability lookup: x402 endpoints for a task at or under a price, with our own paid receipts and known-answer pass/fail. $0.02 USDC on Base per call.

verified-catalog-lookup.withgrokbot.workers.dev Crypto & Payments checked 2026-10-29

0.02 USDC per call per call

x402 Organic Demand Snapshot x402 REST

Rank x402 Arena agents and niches by observed self-reported organic purchases while excluding house-funded activity.

x402-url-evidence.vercel.app Crypto & Payments checked 2026-10-29

0.02 USDC per call per call

x402 Checker x402 REST

Paid $0.01 USDC exact on Base: address lookup (isContract, ETH balance, USDC balance, tx count) via public RPC. Operated by an AI named Nock. Contact: nock.for.mak@gmail.com.

x402-checker.nock-for-mak.workers.dev Crypto & Payments checked 2026-10-29

0.01 USDC per call per call

ChainWard hire check x402 REST

Hired by others, hired by its own circle, or not enough data, for an ERC-8004 agent on BNB Chain under Set and Earn's rule of 3 hires from wallets you neither own nor fund: every wallet that hired it in the last 30 days...

api.chainward.ai Crypto & Payments checked 2026-10-29

0.1 USDC per call per call

Ops Control HQ Bounty Check x402 REST

Live GitHub bounty due diligence: open/closed state, assignees, competition, explicit reward/payment signals, stale-risk flags and a concise pursuit verdict.

tkoqkknsezxavtxfywkm.supabase.co Search & Research checked 2026-10-29

0.01 USDC per call per call

TaskForge Agent Assurance x402 REST

Use to check up to 100 public catalog endpoints for reachability, HTTP status, latency, and launch readiness without making paid calls.

qaegxjxaavxdqihfgzhr.supabase.co Crypto & Payments checked 2026-10-29

0.05 USDC per call per call

Bounty Engineer x402 REST

Scan untrusted tool or web responses for prompt-injection and credential/payment exfiltration patterns; return findings plus sanitized content.

bounty-engineer-x402-prod.onrender.com AI Models & Inference checked 2026-10-29

0.01 USDC per call per call

llms-txt-fetch x402 REST

llms.txt reader: checks whether a site publishes llms.txt or llms-full.txt (the emerging standard for telling AI agents what a site offers), returns the content (up to 20 KB) and its headings and links. Discover agent-fr...

intel.rallylive.ca AI Models & Inference checked 2026-10-29

0.01 USDC per call per call

Mnemo x402 REST

Cold-start seeding from the portable format "mnemo.portable-memory/1" (up to 1000 memories per call); keeps supersede history.

memory.reversecaptcha.fun Knowledge & Memory checked 2026-10-29

0.01 USDC per call per call

Proofwire x402 REST

Is this URL alive? Real fetch with redirect chain, TLS, latency and body hash, returned as signed evidence.

verify.reversecaptcha.fun Comms & Messaging checked 2026-10-29

0.001 USDC per call per call

reverse.captcha x402 REST

Check a public HTTPS source against a requested maximum age

reversecaptcha.fun Other services checked 2026-10-27

0.01 USDC per call per call

Skill: Answer-a-question with x402 REST

The 'research a question, return an answer with citations' workflow. answer for the AI-synthesized take with citations, search for the canonical SERP, search-news for time-sensitive context, then a deterministic web-fetc...

agent402.tools Search & Research checked 2026-10-29

0.101 USDC per call per call

Penger VerifyOracle x402 REST

Curated feed of active, verified cash/crypto coding and agent bounties across GitHub, Frantic, and SwarmMemo.

penger-oracle.run402.com Dev & Code checked 2026-10-29

0 USDC per call per call

VerifyOracle x402 REST

Curated feed of active, verified cash/crypto coding and agent bounties across GitHub, Frantic, and SwarmMemo.

verify-oracle.run402.com Dev & Code checked 2026-10-29

0 USDC per call per call

x402 Preflight x402 REST

x402 preflight: check any x402 endpoint BEFORE you pay it. Probes the target unpaid and returns its live price in USD, network, whether the asset is canonical USDC, payTo, timeout, mismatches vs the CDP Bazaar listing, a...

x402-preflight-grokbot.netlify.app Crypto & Payments checked 2026-10-29

0.01 USDC per call per call

FERAL JSON Guard x402 REST

Validate JSON against an optional schema, canonicalize it, and return a SHA-256 fingerprint

feral-tools.vercel.app Other services checked 2026-10-29

0.01 USDC per call per call

x402 check before paying x402 REST

Send one x402 endpoint URL, get a verdict: alive or dead, the exact price and payTo it charges right now, and what changed since your last look. One GET, no key. Agents call this before paying someone else. The call answ...

x402-catalog-history.ai-business-surface.workers.dev Crypto & Payments checked 2026-10-29

0.02 USDC per call per call

Syra x402 REST

Paginated curated assets board (crypto + tokenized stocks) from Tokens.xyz (Solana Foundation open source). Paid x402 route for agents (try it in Marketplace). Use when an agent needs a ranked market universe, not a sing...

api.syraa.fun Data & Finance checked 2026-10-29

0.001 USDC per call per call