The Sex Offender API Built for Enterprise Compliance
Offenders.io is a national sex offender registry API with 900K+ source-verified, real-time records across 183 U.S. registry jurisdictions—all 50 states, DC, U.S. territories, and tribal registries. Search by name, DOB, address, or GIS radius with sub-200ms average responses and batch processing at scale. Trusted by Fortune 500 companies, healthcare systems, and compliance teams.
When Other Vendors Missed Records, Offenders.io Returned 100%
In side-by-side customer audits where other vendors had data gaps on real-world test lists, Offenders.io successfully matched and returned 100% of expected records across the tested datasets.
See What You Get Back
Every API call returns rich, structured JSON with 70+ fields per offender — name, photo, address, GPS coordinates, crimes, risk level, and more.
- ✓ Full name, aliases, and DOB
- ✓ Address with GPS lat/lng coordinates
- ✓ Profile photo URL from state agency
- ✓ Crime details and registration date
- ✓ Risk level and physical description
- ✓ Source links to official state registry
{
"offenders": [{
"name": "First M Last",
"firstName": "First",
"lastName": "Last",
"dob": "1900-10-01T00:00:00.000Z",
"dobPrecision": "exact",
"address": "10000 San Francisco Way",
"city": "San Francisco",
"state": "California",
"zipcode": "94104",
"lat": 50.12345,
"lng": -34.67890,
"sex": "Male",
"age": "123",
"riskLevel": "2",
"crime": "14:81 - Indecent...",
"offenderImageUrl": "https://meganslaw.ca.gov/...",
"offenderUrl": "https://meganslaw.ca.gov/...",
"jurisdiction": "CA",
"updatedAt": "2026-08-17T00:00:00.000Z"
// + 50 more fields: aliases, locations, physical description, sources...
}]
}
Click to view full response payload →
Go Live in 5 Minutes
From sign-up to your first API call — no contracts, no sales calls.
Get Your Free Key
Sign up and get an API key instantly. Your first 50 requests each month are free — you'll only be charged after that.
Make Your First Call
Search by name, DOB, address, zip code, or GPS coordinates. Get structured JSON results in under 200ms on average.
Scale With Confidence
Pay only for what you use. Our infrastructure auto-scales for high-volume workloads with a 99.9% service availability SLA.
Screen Thousands of Records in Minutes
Don't want to write code? Upload a CSV with names and dates of birth — our batch processing tool screens every row against the national registry, tracks progress, and returns structured downloadable results as each batch completes.
- ✓ Upload CSV or TXT — no coding needed
- ✓ Real-time progress tracking with match details
- ✓ Download results as CSV — photos, addresses, crimes
- ✓ Process 10,000+ records per session
Interactive Sex Offender Map
Search any U.S. address or neighborhood and explore registered sex offenders plotted on an interactive GIS map. View offense details, risk tier levels, physical descriptions, and jurisdiction sources with zero sign-up required.
- ✓ Search by address, city, ZIP code, or GPS coordinates
- ✓ Dynamic radius screening from 1 to 25 miles
- ✓ Click markers for statute offenses, designation, and risk tiers
- ✓ No sign-up required — completely free
The 4 Pillars of Enterprise Registry Intelligence
Built for mission-critical compliance and safety architectures where missed records and stale database snapshots are unacceptable.
1. Uncompromising Data Integrity
In repeated side-by-side customer validations, Offenders.io returned every expected record across the tested lists where other providers missed matches. Official source references and flexible search options help teams review results across complex registries.
- ✓ Matched every expected record in tested customer lists
- ✓ Search across known names and aliases
- ✓ Typo-tolerant fuzzy matching (+fuzzy=true)
2. Real-Time Official Source Sync
Standard data is continuously synchronized, while Extensive Mode performs live registry lookups where available. Results include official source references for verification.
- ✓ Continuous synchronization + real-time data freshness
- ✓ Direct source links to official state registry databases
- ✓ Sub-200ms average API response
3. 183 Jurisdictions & Deep Fields
Complete nationwide coverage across all 50 states, DC, U.S. territories, and tribal registries normalized into a unified schema. Each record delivers 70+ fields including stateData offense details, conviction dates, statute codes, risk tiers, and GPS coordinates.
- ✓ 183 state, territory, and tribal registry jurisdictions
- ✓ 70+ structured fields per record with nested stateData
- ✓ Native GIS radius search from 1 to 100 miles
4. Enterprise Compliance & Reliability
Offenders.io provides a 99.9% service availability SLA, backed by zero downtime over the last 24 months. Approved healthcare and enterprise customers can execute Business Associate Agreements (BAA) for HIPAA-compliant workflows.
- ✓ 99.9% service availability SLA • Zero downtime in 24 months
- ✓ BAA-supported workflows for approved Enterprise customers
- ✓ Enterprise Batch Screener & AI MCP Server access
Facial Recognition Search
Controlled-access facial recognition for sex offender registry search surfaces ranked candidate records when text data is incomplete or inconsistent. Explore Facial Recognition →
AI-Ready MCP Server
Connect Claude, Cursor, or any MCP client to live offender data. Build AI-powered safety tools with zero setup. Learn more →
How Offenders.io Compares to Other APIs
Key architectural differences verified across real-world customer audits.
| Feature | Offenders.io | Other Registry APIs |
|---|---|---|
| Data Freshness | Real-Time Registry Sync | Monthly or quarterly snapshots |
| Data Accuracy | ✓ 100% match rate across tested lists† | ✗ Substantial misses in side-by-side validations |
| Response Time | <200ms | 1-5 seconds typical |
| GIS Radius Search | ✓ Native | ✗ Not available |
| Fuzzy Name Matching | ✓ Typos, nicknames, partials | ✗ |
| Facial Recognition | ✓ Controlled-access facial search | ✗ Not available |
| Records | 900K+ | 500K-770K |
| Fields | 70+ incl stateData | 10-15 basic |
| Nickname & Alias | ✓ Built-in | ✗ |
| AI / MCP | ✓ Native | ✗ |
| HIPAA / BAA | ✓ Enterprise BAA available | Varies |
| SOC 2 Alignment | ✓ Controls aligned | Varies |
| Batch CSV | ✓ No-code upload | ✗ |
| Access Model | Instant Self-Serve | Sales calls or waitlists common |
| Free Tier | 50 calls/month | Varies — often none |
† Based on anonymized, repeated side-by-side customer validations across multiple tested lists.
Offenders.io vs. Traditional Background Checks
Micro-transaction API pricing vs $15–$30 legacy background check services.
| Feature | Offenders.io | Traditional (Checkr, GoodHire) |
|---|---|---|
| Data Source | Official state registry sources | Aggregated / third-party feeds |
| Jurisdiction Coverage | 183 state, territory, and tribal jurisdictions; 70+ fields per state | Limited state-level depth |
| Data Freshness | Real-time registry sync | Monthly / Quarterly snapshots |
| Pricing | $0.15 – $0.20 / call | $29.99+ / report |
| Setup | Instant API key, $0 | Contracts required |
| Response Time | < 200ms | Minutes to Days |
| GIS Radius Search | ✓ Exclusive | ✗ |
| Fuzzy Name Matching | ✓ Typos, nicknames, partials | ✗ |
| Facial Recognition | ✓ Controlled-access facial search | ✗ Not available |
| Batch Processing | ✓ CSV Upload | ✗ |
| AI / MCP Integration | ✓ Native MCP Server | ✗ |
| HIPAA / BAA | ✓ Enterprise BAA available | Varies by vendor |
| SOC 2 Alignment | ✓ Controls aligned | Varies |
| Enterprise SLA | 99.9% uptime | Varies |
| Free Tier | 50 calls/month | ✗ |
Frequently Asked Questions
Common questions about pricing, data, and integration.