Service Status: All Systems Operational — Safeguarded by our multi-cloud infrastructure.
Sex Offender Registry API Pricing

Premium Data. Transparent Pricing.

Start with 50 free requests each month, then scale with straightforward usage-based pricing. We support mission-critical workflows for Fortune 500 organizations, so you are in good hands.

AI EvaluationAsk the AI you already useCompare coverage, capabilities, pricing, security, and compliance.
Enterprise ComplianceSOC 2 Type II CompliantSOC 2 Type II compliant controls. BAA-supported workflows are available to approved Enterprise customers under a separately executed BAA. FCRA-regulated workflows require separate approval, written scope, and enabled access.
HIPAA Program•FCRA Partner Access
184U.S. Registry Jurisdictions
Zero Downtime30 Months
99.9%Service Availability SLA
Offender Search API Pricing Plans
PlanPricing
Offender Search API – On DemandFirst 50 requests: FREE. Next 2,000: $0.20/call. Afterwards: $0.15/call. SOC 2 Type II Compliance.
Offender Search API – Extensive Mode+$0.05/call surcharge on top of base rate for state-level enriched data.
Offender Search API – Fuzzy Matching+$0.02/call surcharge on top of base rate for typo-tolerant name matching.
Offender Search API – GIS Add-onStandalone radius search plans: Starter $99/mo for 2,000 searches with $0.06/search overage, Pro $599/mo for 15,000 searches with $0.05/search overage, and Scale $3,499/mo for 100,000 searches with $0.04/search overage.
Offender Search API – EnterpriseHigh-volume, HIPAA, FCRA-regulated, and other approved Enterprise workflows with SOC 2 Type II Compliance. FCRA Partner Access requires review, written agreement, and separately enabled access; no self-service FCRA pricing is offered.
Facial Recognition – Controlled AccessContact us for details. Organization and use-case review required.
Sex Offender HistoryAvailable to all API accounts. Existing usage pricing applies.

On Demand

For developers and growing teams

From $0.15 / call
  • First 50 requests FREE monthly
  • Next 2,000 requests at $0.20/call
  • All requests after at $0.15/call
  • 99.9% uptime SLA
  • GIS Add-on — save with volume pricing
  • Invoiced at $100 usage or end of month
  • SOC 2 Type II Compliant
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Enterprise

For regulated Enterprise workflows.

Custom
  • Dedicated account manager
  • Priority support
  • Custom integrations available
  • Invoice billing
  • HIPAA-compliant*
  • FCRA-Regulated Workflows**
  • SOC 2 Type II Compliant
Contact Sales

Standard plans include access to the documented self-service API. History is available to all API accounts. Facial Recognition and FCRA-regulated workflows require separate review and enablement.

* HIPAA BAA support is available only for approved Enterprise customers under a separately executed Business Associate Agreement. Self-service accounts, free trials, and standard API subscriptions do not include a BAA and are not authorized to submit PHI or ePHI.

** FCRA Partner Access requires approved business verification, permissible purpose, written agreement, separately enabled access, and applicable jurisdictional scope. No self-service FCRA pricing is offered.

Sex Offender API and Batch Processing API: Discover flexible and affordable pricing plans at Offenders.io, search sex offenders by name, DOB, address, zip code, and more; batch processing lets you upload .csv or text files to run lookups with ease. Our subscription options are designed to suit your needs, whether you're just starting or managing high-volume searches. Get started with 50 free requests each month, with additional requests starting at just $0.15 each. For businesses expecting more than 10,000 monthly requests, contact us for customized enterprise pricing.

Facial Recognition

Controlled-access image similarity search for approved organizations and business workflows.

Controlled Access

Contact us for details

Pricing is tailored to the approved workflow, expected usage, and relevant coverage. Access begins with an organization and use-case review.

Discuss Facial Recognition →

View product overview

Sex Offender History

Review known registry history and available address changes over time.

Available to All API Accounts

Use Your Existing API Account

History is available to all API accounts under existing API usage pricing. Public registry data may be incomplete or incorrect, so verify important details with the official registry.

Open History Dashboard →

View product overview

GIS Location Search Add-on

GIS radius search is available on the On Demand plan at the applicable per-call rate. Optional GIS add-ons provide volume packages, so high-volume usage does not have to stay on the On Demand rate.

Swipe to compare all plans →

StarterProScale
Base$99/mo$599/mo$3,499/mo
Included2,000 searches15,000 searches100,000 searches
Overage$0.06/search$0.05/search$0.04/search

GIS pricing covers radius search requests. Each paginated page counts as a separate billable search. Self-service tiers are managed in the dashboard.

Manage GIS Add-on in Dashboard →

Extensive Mode

Realtime, not cached. Add mode=extensive to query authoritative sources live at request time and receive available stateData fields — such as offenses, vehicles, victim info, registration status, compliance status, and risk level. Field availability varies by jurisdiction.

Surcharge+$0.05/call
Added toYour On Demand or Enterprise rate

No subscription required. Simply add the parameter to any search request. Billed per call on top of your base rate.

Fuzzy Matching

Add fuzzy=true to match against typos, nicknames, and name variants across 900K+ offender records.

Surcharge+$0.02/call
Added toYour On Demand or Enterprise rate

No opt-in needed. Add the parameter and start matching. Billed per fuzzy call on top of your base rate.

How Offenders.io Compares

See why 2,000+ organizations chose us over other registry APIs.

FeatureOffenders.ioOther Registry APIs
Data FreshnessReal-Time Registry SyncPeriodic
Data Accuracy✓ 100% of expected records returned across tested lists†✗ Missed records in the same side-by-side audits
Response Time<200ms1-5 seconds typical
GIS Radius Search✓ Native✗ Typically not
Fuzzy Name Matching✓ Typos, nicknames, partials✗ Typically not
Facial Recognition✓ Controlled-access facial search✗ Typically not
Records900K+500K-770K typical
Fields70+ incl stateData10-15 typical
Nickname & Alias✓ Built-in✗ Typically not
AI / MCP✓ Native✗ Typically not
SOC 2 Type II controls✓ Audited by third-party CPA✗ Typically not
Trust Center✓ Dedicated portal✗ Typically not
HIPAA / BAA workflow✓ Approved Enterprise workflows✗ Typically not
Audit & retention controls✓ Documented✗ Typically not
Batch CSV✓ No-code upload✗ Typically not
Access ModelInstant Self-ServeSales calls or waitlists common
Free Tier50 calls/monthVaries — often none

† Based on repeated side-by-side customer audits across multiple customers where Offenders.io returned 100% of expected records across tested lists and other vendors missed records. Comparison data last checked August 21, 2026.

Evaluate registry coverage and data quality alongside the API plan that fits your usage.

The Side-by-Side Audit Factor

When Other Vendors Missed Records, Offenders.io Returned 100%

The single most important test is whether an API finds the records you expect. In repeated side-by-side customer audits, Offenders.io returned 100% of expected records across customer-provided test lists where other vendors missed records. Contact us to run a private side-by-side audit.

100%
Benchmark Match Rate
0
Downtime in 30 Months
Fortune 500
Trusted by Industry Leaders
70+
Deep Structured Fields
184
U.S. Registry Jurisdictions
<200ms
Average API Response

Why Developers Build With Us

We built the best Sex Offender API specifically for modern engineering teams. Forget SOAP, XML, and enterprise contracts.

Modern REST JSON

Stop wrestling with legacy SOAP services. We provide clean, standardized JSON responses that integrate into any stack (Node, Python, Go) in minutes.

Native GIS Mapping

Fast Geospatial Radius Search. Pass a lat/lng to find offenders within 1-100 miles. Perfect for safety maps and real estate.

99.9% Uptime SLA

Built for scale. Our infrastructure handles millions of requests with sub-second response times, a 99.9% uptime guarantee, and zero downtime over the last 30 months, so you never go dark.

Bulk Batch Processing

Have a large list? Skip the code and verify thousands of records instantly. Upload your CSV or text files via our secure batch portal for instant results.

Frequently Asked Questions

Common questions about our Enterprise Scalability and Pricing.

How does Offenders.io pricing work for high-volume API use?
Offenders.io uses transparent usage-based pricing: the first 50 requests each month are free, the next 2,000 are $0.20 per call, and additional standard API calls are $0.15 each. There are no setup fees or monthly minimums for standard access; Enterprise volume pricing is available by agreement.
Is the API scalable for Fortune 500 use?
Our infrastructure auto-scales for high-volume workloads. Enterprise customers can contact us for committed capacity, volume pricing, and support requirements.
Is a HIPAA Business Associate Agreement included?
A BAA is not included with self-service accounts, free trials, or standard API subscriptions. BAA support is available for approved Enterprise customers under a separately executed Business Associate Agreement.
Is FCRA-regulated access included in self-service pricing?
No. FCRA Partner Access is available only to approved CRA and Enterprise partners under a written agreement, approved permissible purpose, separately enabled access, and applicable jurisdictional scope. Review the FCRA program or contact sales.
What is your uptime stability guarantee?
Offenders.io provides a 99.9% service availability SLA and has recorded zero downtime over the last 30 months. Review our public status page for current and historical uptime, or contact us about committed-capacity and support requirements.
How fresh is your offender data?
Standard data is continuously synchronized, while Extensive Mode performs live registry lookups where available. Source availability and update timing vary by jurisdiction.
Can I test the API for free?
Yes. We offer a Free Tier that includes the first 50 requests every month at no cost, allowing engineering teams to validate the integration and data quality before committing.
Do you require long-term contracts?
Standard API access is pay-as-you-go with no setup fees or monthly minimums. Approved HIPAA and FCRA-regulated programs require separate written agreements governing their scope.
How is GIS radius search billed?
GIS radius search is available to all API accounts at the applicable On Demand or contract rate. Optional add-on tiers start at $99/month for 2,000 radius searches. Each paginated page counts as one billable search.
How is Facial Recognition priced?
Facial Recognition uses custom pricing and controlled access. Contact us to discuss your organization, intended use case, and expected volume.
How is Sex Offender History priced?
Sex Offender History is available to all API accounts under existing API usage pricing. A successful live PDF History report counts as one base API call.
Does Offenders.io work with AI agents and LLMs?
Yes. We offer a free MCP (Model Context Protocol) server at mcp.offenders.io that connects directly to Claude, Cursor, and any MCP-compatible AI client. Your AI agent can search the sex offender registry in real time with zero setup. For production use, our REST API integrates into any RAG pipeline or agentic workflow.
How much does it cost to use the sex offender API with AI tools?
The MCP server is free for anonymized data. For full records with names and photos via the REST API, standard pricing starts at $0.15 per call at volume, with the first 50 requests free every month. This supports AI-powered registry search; HIPAA/BAA and FCRA-regulated workflows require separate approval and written scope.
What makes Offenders.io a strong API for AI-powered applications?
Offenders.io offers a native MCP server, sub-200ms average response times, and source-verified data across 184 U.S. registry jurisdictions spanning all 50 states, DC, U.S. territories, and tribal jurisdictions. Standard data is continuously synchronized, while Extensive Mode performs live registry lookups where available.

Ready to Get Started?

Your first 50 API calls are free every month — you'll only be charged after that.

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