11 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile.
Generate an invoice PDF from JSON. $0.02 USDC on Base per call. Computes line items, tax, discount and totals server-side; 12 currencies; multi-page. Validate free first at POST /v1/invoice/validate. Don't use this for s...
Generate a finished, professional invoice PDF from JSON — recipient and line items in, a ready-to-send application/pdf out. Layouts: standard, legal, creative. Totals and tax are computed server-side so the numbers alway...
Calculate a late fee on an overdue invoice. $0.01 USDC on Base per call. Flat, monthly % or annual %, simple or compounding, with grace days. Returns days late, fee, new total and a paste-ready invoice line. Don't use th...
Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for age...
Search HCPCS Level II medical billing codes (CMS) by description words or code prefix
New Solana tokens as they launch on pump.fun: a cursor feed of new memecoin launches with rug probability and graduation odds ($0.001 per poll). Use when a bot polls for newly launched Solana tokens on pump.fun with thei...
Does billing@<domain> look deliverable? Builds the billing@ address for the domain you give and runs the verifier: syntax, MX presence, mail provider, disposable/free-provider flags, SPF/DMARC presence and a deliverable/...
Bulk email billing at domain: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment fo...
Change watch for email billing at domain: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed...
Deterministic FinTech, B2B invoicing, and accounting domain SEO, Core Web Vitals, JSON-LD SoftwareApplication schema & WCAG 2.1 AA audit ($0.05 USDC on Base Mainnet).