A fax API and MCP server for AI agents to send and receive faxes with receipts
SEO and keyword data API with 44 routes, paid per call over x402 in USDC on Base
Stage
Not given
Not given
Founded
2023
Not given
Based in
US
NL
Pricing model
Paid
Paid
Pricing
$0.039 per page sent, $0.019 per page received, $2 per fax number per month, $10 minimum wallet top-up, optional Agent workspace $19 per month, sandbox free. Prices as of 2026-10-28.
Prices per call range from $0.012 to $0.25 in USDC on Base. Keyword overview: $0.04. Search volume: $0.04. Keyword ideas: $0.04. Related keywords: $0.04. Keyword variations: $0.04. Keyword difficulty: $0.04. Search intent: $0.04. Keyword volume history: $0.048. Keyword suggestions: $0.04. Google Ads
Key features
Document preparation with PDF, image and text rendering
Price quotes bound to document, destination and sender
Authorization by person or delegated policy
Bounded retries with circuit breaker per route
Private inbox for received faxes with signed URLs
Idempotent API calls with Idempotency-Key header
Signed webhooks with event IDs
Sandbox for free testing before production
Document retention with 30-day default and deletion option
Keyword research with search volume, CPC, difficulty, intent and ideas for up to 100 keywords per call
Domain overview, traffic estimates and ranked keywords for up to 100 domains
Backlink profile data including referring domains and anchor texts with 24-month history
On-page SEO audit and Lighthouse page speed analysis for individual URLs
Amazon keyword ideas and search results across multiple regional stores
Brand mention tracking and AI answer visibility monitoring
Website technology stack and WHOIS domain registration data
No account, API key or subscription required; pay per call in USDC on Base blockchain
What makes it different
Every fax send produces a receipt with provider evidence of delivery
Agents cannot exceed their own permissions or budget limits
International fax coverage to 213 destinations with transparent pricing
MCP server with 15 tools for seamless agent integration
Per-page pricing with no minimum subscription requirement
Pay-per-call pricing in USDC stablecoin on Base blockchain with no account setup required
44 routes across 9 data families covering comprehensive SEO and keyword research data
Fax for Agents