Our tools
620 tools an agent can call and pay for per request. 169 of them run free on proof-of-work. These are our own tools; for every tool in the index, ours and other sellers', see all indexed tools.
⌕
Searches every tool as you type - same free GET /api/find agents call, no wallet.
620
tools
169
free · proof-of-work
$0.001
floor price
23
categories
0
api keys needed
$ GET /api/pricing
Browse by category.
| category | what is in it | tools | pays with |
|---|---|---|---|
| Web & documents | Read the live web: browser rendering, screenshots, article extraction, PDFs, metadata. | 61 | cpu + usdc |
| Agent memory & coordination | The stateful layer a stateless agent can't build for itself: durable wallet-keyed KV with TTL, atomic counters/locks, shared namespaces other agents can reach (grants), a tamper-evident audit log, and similarity recall. The payment is the identity - no signup. | 11 | usdc |
| Network & domains | DNS, TLS certificates, WHOIS/RDAP, uptime checks, robots.txt and sitemaps. | 19 | usdc |
| Live public data | Keyless real-time government and market data: dataset search across data.gov, NWS weather alerts, USGS earthquakes, currency rates, barcode product lookup. | 109 | cpu + usdc |
| Payments & x402 | Non-custodial x402 tooling: decode HTTP 402 quotes, verify on-chain USDC settlements, read balances, tx status and gas across the EVM chains each tool lists, and build EIP-3009 transfer authorizations. The agent signs with its own key - these tools never touch funds. | 20 | cpu + usdc |
| Data conversion | JSON ⇄ CSV/YAML/XML, markdown ⇄ HTML, diffs and queries - formats agents juggle constantly. | 28 | cpu |
| Text processing | Slugs, case conversion, diffs, regex, keywords, token estimates, edit distance, readability, PII redaction. | 18 | cpu |
| Math & finance | Safe expression calculator, statistics, unit conversion across 13 categories (length, mass, volume, …) via POST /api/unit-convert, percentage/number formatting, CIDR subnets, compound interest and loan math. | 8 | cpu |
| Encoding & crypto | Hashes, HMAC signatures, base64/hex, JWT decoding, TOTP codes. | 15 | cpu |
| Generators & IDs | UUIDs, ULIDs, passwords, secure randomness, QR codes. | 5 | cpu |
| Time & scheduling | Timezone-aware clocks, epoch conversion, cron parsing, durations. | 10 | cpu + usdc |
| Validation & parsing | Emails (with MX), URLs, IPs, user agents, colors, semver, IBAN, card numbers. | 20 | cpu + usdc |
| LLM gateway | OpenAI-compatible pay-per-call inference over x402 - flat quality tiers and a metered tier, plus embeddings and image generation, model-optional auto-routing, streaming, and a default-on prompt cache. See /v1 in the OpenAPI spec for the full wire format. | 51 | usdc |
| Crypto & onchain data | Keyless reads across chains: token prices and metadata, order books, stablecoin peg health, wallet balances and transaction history, NFT holdings and metadata, gas snapshots. | 111 | cpu + usdc |
| Sanctions & address screening | Sanctions checks: screen any blockchain address against every digital currency address on the OFAC SDN list, or a person or company name against the list's entries, with the sanctioned entity named on a match. | 2 | usdc |
| Wallet operations | Multi-chain balance reads, testnet funding, onramp links, and SQL over onchain data. Non-custodial: the agent signs with its own key. | 5 | usdc |
| AI & compute | Inference, generation and sandboxed execution priced per call: chat tiers, image generation, text-to-speech, speech-to-text, and code execution in an isolated sandbox. | 23 | usdc |
| Skill packs | Multi-tool workflows that run server-side in one request: one payment, one settlement, and a single response with a partial-success envelope if a step fails. Cheaper to integrate than orchestrating the steps yourself. | 84 | cpu + usdc |
| Calendar & date math | ISO weeks, leap years, day-of-year, epoch conversion, and movable-feast dates - the calendar edge cases that are easy to get subtly wrong. | 5 | cpu |
| Market & demand research | Analyzed reads over this catalog's own demand and the open x402 ecosystem: what agents ask for, what sells, and company research. | 2 | usdc |
| Routing & delegation | The Smart Order Router: describe a task and it resolves the best-matching tool and runs it in one call, from this catalog or bought from an external x402 seller and resold to you, in tiers by underlying price. | 8 | usdc |
| API primitives | Building blocks for services that front an agent: CAPTCHA generation and verification. | 2 | cpu + usdc |
| x402 seller intelligence | Evidence about other x402 sellers, at three depths: the router's own gate field by field (crawl health, advertised chains, observed settlement counts), the assembled record for one origin (price provenance, advertised wallets against the wallets actually paid, settlement evidence per source, the dispatch verdict per chain), and a live payability check that buys one real call and reports every leg. | 3 | cpu + usdc |
A tool can appear under more than one category, so the column does not sum to 620. cpu means every tool in it is payable in compute via proof-of-work; usdc means all of them cost real money; cpu + usdc means the category mixes both.
FREE TIER
Pay with CPU, not USDC
Every pure-CPU tool is payable in compute. Your machine solves a single-use sha256 puzzle - about 65,536 sha256 hashes on average, a fraction of a second of CPU on a laptop - and the call goes through. No wallet, no funding, no signup.
# the MCP connector solves it for you
claude mcp add --transport http agent402 https://agent402.tools/mcp
watch it run in the playground →
PAID TOOLS
Quoted before you're charged
Anything that costs us money to run - live search, browser rendering, inference, stored memory - is priced per call and states its price in the 402 challenge. A failed x402 call is not charged, and there is no key to leak.
# price, asset and rail, before paying
curl -i "https://agent402.tools/api/search?q=x402+adoption"
the full price list →
