Fresh402
Bounded Web and finalized Base observations for agents over REST and MCP: Check, Extract, Smart Diff, OpenAPI Contract Diff, Contract Watch, Wallet Watch and Token Facts, plus free Register. Listed price is Check ($0.005); other per-call prices and one-time prepaid packages are documented at https://fresh402.com/pricing. Native USDC on Base; x402 v2 and native MPP. Machine trial uses an unfunded EOA ownership signature, no CAPTCHA or payment: up to 2 Checks and one of each other tool, subject to finite shared best-effort capacity, seven-day maximum and current operating expiry. Setup and limitations: https://fresh402.com/docs#machine-trial. Source SDK: https://github.com/kirillradchenko96/fresh402/tree/efficiency-sdk-v0.3.5/examples/efficiency.
1 route settlement-verified · $0.005 USDC/request · 1 endpoint · Tools · base network · x402 protocol
Verified routes
POST /v1/check· $0.005 · 2026-10-29 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpListing facts
- Provider
- Fresh402
- Hosted at
api.fresh402.com- Category
- Tools
- Price
- $0.005 USDC per request
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-10-29
- Listed on PayAPI Market
- 2026-10-29
Try Fresh402
Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.
curl -i -X POST "https://api.fresh402.com/v1/check"About this API
Fresh402 is listed in the Tools category with pricing at $0.005 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-29. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 1 endpoint.
Questions about this API
What does Fresh402 do?
Bounded Web and finalized Base observations for agents over REST and MCP: Check, Extract, Smart Diff, OpenAPI Contract Diff, Contract Watch, Wallet Watch and Token Facts, plus free Register. Listed price is Check ($0.005); other per-call prices and one-time prepaid packages are documented at https://fresh402.com/pricing. Native USDC on Base; x402 v2 and native MPP. Machine trial uses an unfunded EOA ownership signature, no CAPTCHA or payment: up to 2 Checks and one of each other tool, subject to finite shared best-effort capacity, seven-day maximum and current operating expiry. Setup and limitations: https://fresh402.com/docs#machine-trial. Source SDK: https://github.com/kirillradchenko96/fresh402/tree/efficiency-sdk-v0.3.5/examples/efficiency. It is provided by Fresh402.
How much does Fresh402 cost?
Fresh402 is priced at $0.005 USDC per request, paid per call with no subscription. PayAPI Market paid 0.005 USDC for one call to /v1/check when it verified the listing. The exact amount for each call is in the HTTP 402 response before any money moves.
Do I need an API key or account to use Fresh402?
No. Fresh402 uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.
Has Fresh402 been verified?
Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-10-29.
How does an AI agent find Fresh402?
Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.
More Tools APIs · Browse the marketplace · List your own API
Related APIs
- Agent Extraction API: Messy text + JSON Schema to clean JSON · 1 route verified · Messy text + JSON Schema in, clean JSON out. Uses a small LLM (Cloudflare Workers AI, Llama 3.1 8B, JSON mode) when available, else a deterministic key:value/regex extractor; the result is type-checked against your schema and missing fields are null. Limits: text <= 6,000 chars, schema <= 30 top-level properties (flat objects, arrays of scalars); the model can misread ambiguous text, so check important values. Params: text, schema (JSON string), mode=auto|heuristic. GET query or POST JSON body.
- Agent Extraction API: Email check without SMTP (syntax, MX, disposable) · 1 route verified · Email address check WITHOUT sending mail or SMTP probing: RFC-style syntax check, domain MX/A records via DNS-over-HTTPS, disposable-domain flag (CC0 blocklist, ~9,900 domains), role-address flag (info@, support@...), free-mail flag. Verdict: deliverable_domain | risky | invalid. Cannot confirm that the mailbox itself exists. Addresses are not stored or logged.
- Agent Extraction API: Web page to clean Markdown · 1 route verified · Convert a public web page to clean Markdown (title, headings, paragraphs, lists, links, code), scripts/nav/footer removed, max ~60k chars. robots.txt respected.
- x402-seller · 1 route verified · Pay-per-call x402 utilities on Base USDC: GET /timestamp (ISO UTC clock) and POST /echo. $0.01 per request. Durable host https://x402seller.mooo.com (urllib-clean 402). Backup https://pay.x402seller.ddnsfree.com.
- Money Reactor DeFi Yield Scanner (stablecoins) · 1 route verified · Deterministic agent utility on Base. Always-deliver guarantee, real-time response, settled in USDC via x402. Pay one call, get the answer inline.
- Public HTTPS Certificate Preflight · 1 route verified · Read-only public TLS certificate preflight: expiry, not-before, hostname match and CA authorization from a pinned public IPv4 TLS handshake. No HTTP crawling, private IPs, secrets or ownership certification.
By Fresh402