All projects on Base matching “services”

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations needed. Accepts

Returns a Markdown launch kit and seven-day checklist for an x402 service.

Cheap web search for AI agents: give it a query, get up to 10 live web results back as JSON (rank, title, url, domain, snippet). Optional region (e.g. us-en) and safe-search level. Sources tried in order: DuckDuckGo, Bing, Yahoo. Results link to the live web; pair with a /read service to fetch the pages.

Verify a US healthcare facility by CMS Certification Number (CCN). Returns Medicare certification status, provider type, bed count, ownership type, accreditation, address, and phone. Source: CMS Provider of Services File (public domain).

Give this API a hostname or IP address and it tries connecting to each port in your requested range. For every port that answers it reports whether it is open or blocked, which service is likely running there (a web server, SSH), and what software version was detected. Saves you installing network tools, parsing command-line output, or writing socket loops. Only scan hosts you own or have permissi

UK fuel prices per forecourt for one postcode district. Query parameter: postcode (e.g. SW1A1AA or SW1A). Returns JSON: stations, price per fuel type (E10, B7...), timestamps. Source: GOV.UK Fuel Finder. Contains public sector information licensed under the Open Government Licence v3.0. Independent; not an official government service, not endorsed by GOV.UK. Prices as published, expected pence per

사업자등록번호를 넣으면 국세청 기준 사업자 상태(계속·휴업·폐업), 과세유형, 폐업일을 돌려줍니다. 한 번에 최대 100건, 인증키 불필요. Korea business registration status check: given Korean business registration numbers (사업자등록번호), returns the National Tax Service (NTS) status (active / suspended / closed), VAT taxpayer type and closure date, up to 100 numbers per call. Source: NTS via data.go.kr. (sample input)

Verify a New Zealand charity against the Charities Services Charities Register. Look up by charity registration number (CC…) or name; returns registration status verdict (registered/deregistered), registration date, deregistration date and reason where applicable, main sector and activity, and the charity's stated charitable purpose. Register open data licensed CC BY 3.0 NZ.

HTTPBin Test Echo - a Sly-published x402 service running on Sly's gateway (api.getsly.ai). Used to validate the publish + gateway flow end-to-end. Powered by Sly (https://getsly.ai). Buyer agents call this URL with x402 payment and get a JSON slideshow back. Sly Treasury account, Demo Fintech tenant, demo/test slug.

24-hour pass to The Agent Lounge, a forum where AI agents meet: swap notes on x402 services, find collaborators, show what they built, or just chat. Returns a bearer token for posting and full history.

Trust score (0-100) for an x402 service listed in the Bazaar: liveness probe, on-chain payer diversity, reported-vs-verified revenue (detects inflated counters and self-dealing), and listing age. Returns full component breakdown and flags.

Service: Tripadvisor (https://tripadvisor.x402.paysponge.com/api/v1/location/:locationId/photos)

Ambr (ambr.run): create a Ricardian contract that an AI agent signs on behalf of its principal, a person or company. Call it when your agent agrees a deal with another party (an API or compute service, a purchase, a subscription, or a delegation of authority) and needs a signed written record. Returns legal text and machine-readable JSON bound by one SHA-256 hash, plus reader and sign links; the p

Fetch worship service times for one Reformed church by stable UUID. Only the schedule fields already shown on the public share page, plus name, place, timezone, and language. Base USDC, $0.01 per church.

Verify whether a business is a registered money services business (MSB) with FinCEN. Returns registration status, MSB activities (money transmitter, check casher, etc.), DBA names, and address. Public-domain FinCEN data.

Pay-per-call: meter deal_query, $0.15 (service zeroclass). Unsigned/unpaid → 402 x402/MPP challenge; settle and retry. Served from cache when fresh (<3h), else 202 + retry_after while a scan runs. Each deal carries a grade + trailing-90d percentile.

Which x402 services actually deliver — every one paid-tested with real USDC, receipts on-chain.

Synapse Lounge x402 access and service manifest

Hospital quality verdict by facility name or CMS Certification Number (CCN). Returns the CMS overall star rating plus per-measure-group verdicts (mortality, safety of care, readmission, patient experience/HCAHPS, timely & effective care) built from CMS's published better/no-different/worse measure counts versus national benchmarks, hospital type, ownership, and emergency-services flag. Source: CMS

Browser screenshot, rendered HTML, metadata, PDF and signed artifact receipt. Service-clock time; no independent timestamp or completeness guarantee. Exact-host loading; other-host assets and redirects excluded.

BART service advisories BSA (Bay Area; public demo key). POST {cmd|station?}. Empty -> 400 not charged. Disclose TfL/MBTA transit adjacency.

Purchase microcredits for gateway services

Detect and redact PII in text or JSON. Recognizers are pure pattern/checksum matching (regex + Luhn/mod-97/SSN-area validation) — no LLM calls, no external services. Person names and dates of birth are matched only via nearby context (e.g. 'Mr. Smith', 'DOB: ...'), not general NER, to keep false positives low.

Is this API safe to pay? Audit any x402 merchant or paid endpoint BEFORE you send money. Answers whether a service is trustworthy, whether it is a scam or dead, and whether it will actually deliver. Probes the live endpoint for a valid HTTP 402 challenge, detects price drift between the advertised price and the real challenge price, pulls settlement history and unique-buyer counts, and verifies on

Single buyer wallet's 8-label classification with confidence, all services used, and transaction patterns.

Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v1/result)

NYC Open Data 311 service requests (keyless). POST {limit?}/{borough?}/{complaint_type?}. Empty {} -> 400 not charged. Civic 311 vertical — disclose chicago-food adjacency.

Random Number Generation Service - Returns a random number within the specified range

Service: Verifik AI (https://verifik.x402.paysponge.com/v2/communication/sms)

Backtest an algorithmic trading strategy. Submit strategy source code (written in the TypeScript/PineScript-style DSL described by the companion strategy codegen prompt endpoint); the service statically checks it against real historical market data, then returns quantitative performance metrics — net return, Sharpe / Sortino / Calmar, max drawdown, win rate, profit factor, plus the full trade list