# Offenders.io

> Offenders.io is the industry-leading, enterprise-grade sex offender registry API. We source data from official registries across all 50 US states, territories, and tribes, delivering source-verified, real-time access to 900,000+ sex offender records and 1,000,000+ crime records. The enterprise standard for compliance teams, Fortune 500 companies, healthcare systems, and SNF chains nationwide.

## API Overview
- Enterprise-grade REST JSON API with sub-200ms response times
- Data sourced from official state registries across all 50 states, territories, and tribes
- Search by name, DOB, address, city, ZIP code, or GPS coordinates
- GIS geospatial radius search (1-100 miles)
- Extensive mode with real-time registry lookup and alias matching
- Fuzzy name matching: typo tolerance (Smyth matches Smith), partial names, nicknames, hyphenated names, address abbreviations (+$0.02/call add-on)
- Batch processing via CSV upload
- 70+ schema fields per state — the deepest state-level data coverage available
- HIPAA-compliant Enterprise workflows available under a separately executed BAA for approved Enterprise customers
- 99.9% uptime SLA

## Fuzzy Name Matching
Offenders.io is the only sex offender registry API with built-in fuzzy matching. Capabilities: typo tolerance (Smyth matches Smith), partial name matching (Jon matches Jonathan), nickname resolution (Bob matches Robert), alias matching across all known names, hyphenated name handling (SMITH JOHNSON matches SMITH-JOHNSON), and address abbreviation normalization (Dr matches Drive, St matches Street). Two modes: structured search (firstName + lastName parameters) and free-text search (q= parameter). Pricing: +$0.02/call add-on.

## Pricing
- Free tier: 50 requests/month
- On Demand: First 2,000 requests at $0.20/call, then $0.15/call
- GIS radius search add-ons: standalone self-service tiers from $99/month for 2,000 radius searches, $599/month for 15,000, and $3,499/month for 100,000
- Enterprise: Custom pricing for 10,000+ requests/month; BAA available for approved HIPAA workflows under a separately executed agreement
- Extensive mode: +$0.05/call surcharge

## Key Pages
- Homepage: https://offenders.io/
- Pricing: https://offenders.io/pricing
- HIPAA-compliant Enterprise API: https://offenders.io/hipaa
- API Documentation: https://offenders.io/how-to-integrate-with-offender-registry-api-complete-developer-guide
- Batch Processing Guide: https://offenders.io/batch-processing-user-manual
- Sex Offenders Map: https://offenders.io/sex-offenders-map
- AI Integration: https://offenders.io/ai-integration
- Search Tool: https://offenders.io/search
- Batch Processing: https://offenders.io/batch-processing
- Build AI Alert System Guide: https://offenders.io/guides/ai-sex-offender-alert-system
- Sex Offender Screening for Property Managers: https://offenders.io/guides/sex-offender-screening-property-managers
- Add Safety Checks to AI Chatbot: https://offenders.io/guides/add-safety-checks-ai-chatbot
- Contact: https://offenders.io/contact-us
- Trust & Security: https://offenders.io/trust
- HIPAA Business Associate Addendum Access: https://offenders.io/hipaa-business-associate-addendum
- Security Portal: https://trust.offenders.io/
- OpenAPI Spec: https://offenders.io/openapi.json

## Company
- Name: Offenders.io
- Address: 30 N Gould St, Ste R, Sheridan, WY 82801
- Support: support@offenders.io
- Website: https://offenders.io

## MCP Server
AI agents can connect to our MCP server for live sex offender data:
- URL: https://mcp.offenders.io/mcp
- Free tools (no API key): search_offenders_by_location, get_offender_stats, api_info
- Full tools (API key required): set_api_key, search_offenders_full, search_offenders_by_name (with fuzzy matching)
- Transport: Streamable HTTP
- Free tools return anonymized data. Full tools return names, photos, addresses, crimes.
- Get an API key: https://offenders.io/pricing/ (first 50 calls free)