Open source integration layer for AI agents with secure, multi-tenant support
Validate Mexican RFC numbers via API
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Hobby: $0/mo with up to 50 connections, 100k webhook events, unlimited managed permissions/auth pages, up to 3 team members, and Discord community support. Pro: $200/mo with unlimited connections, unlimited webhook events, unlimited managed permissions/auth pages, unlimited team members, and Slack s
Pay as you go: $0.015 USD per credit (prepaid, no subscription). Monthly plans: Basic $99/month for 10,000 credits, Growth $449/month for 60,000 credits, Pro $1,800/month for 300,000 credits. Enterprise: volume pricing available on request. /sat-lists endpoint is free on any plan. New users get $5 U
Key features
OAuth and multi-tenant credential management
Permissions system with approval workflows
Webhooks and polling for data synchronization
Multiple integration connectors
Self-hosted and cloud-hosted options
Managed authentication pages
Agent-safe credential handling
API caching per tenant
Custom integration scaffolding
Community-contributed integrations
Full RFC validation with registration status, name, postal code, and digital certificates
Taxpayer profile lookup with personal data and contact information
Postal code lookup for CFDI invoicing
Quick verification with single SAT roundtrip in 1-2 seconds
Compliance checking against SAT contributor lists (Articles 69, 69-B, 69-B Bis)
Bulk verification of up to 5000 records in one call
Digital certificate lookup with serial numbers and validity dates
Commerce registry lookup for company legal regime and shareholders
What makes it different
Fully open source to avoid vendor lock-in
Credentials never stored in Corsair's database
Free self-hosted option with no per-seat pricing
Handles token refresh and API deprecations automatically
Works with or without AI agents
Directly connected to SAT database for real-time validation
Supports both individual and business RFC numbers with automatic type detection
Shared account and balance with CURP and voter ID validation services
Corsair
RFCCheck