Developer

One API. The whole property stack.

Score, report, monitoring, bulk, historical. REST endpoints. Signed webhooks. Official Python, Node, and Ruby SDKs. Built the way modern infrastructure APIs are built — not the way data vendors still sell CSVs.

See the endpoints Request sandbox key
Quickstart

From API key to first score in 60 seconds.

# Get a Lucen Score™ for any U.S. address curl https://api.lucen.ai/v1/score \ -H "Authorization: Bearer sk_live_..." \ -G --data-urlencode "address=657 E 26th St, Brooklyn, NY" # Response (500ms p99) { "lucen_score": 87, "confidence_band": 3, "methodology_version": "1.0.0", "scored_at": "2026-04-16T10:30:00Z", "lucen_property_id": "LPID_NYC_3121585_3U", "sub_indices": { "hpd": { "score": 84, "weight": 0.15 }, "dob": { "score": 89, "weight": 0.12 } // ...9 more }, "top_concerns": [...], "sources": {...} }
Endpoints

Six endpoints. Zero black boxes.

GET /v1/score

Lucen Score™ + 11 sub-indices for an address. Sub-second response. Most common endpoint.

GET /v1/report

Full report payload with sources, confidence, and explainability. JSON or signed PDF URL.

POST /v1/monitor

Subscribe a property to change alerts. Fires signed webhook when score moves past threshold.

POST /v1/bulk-score

Async batch scoring for 100–100,000 addresses. Results via webhook or S3 drop.

GET /v1/score/history

Time-series of scores. Back-test underwriting or claims models against historical snapshots.

POST /v1/score/custom

Score an address with your own weight schedule. For insurers and lenders with custom risk models.

Tiers

Pricing that scales with your integration.

Starter
For early integrations and pilots.
$25K / year
$3.50 / call overage
  • 10K calls / year
  • Score + report endpoints
  • 99.9% SLA
  • Email support
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Growth
Production workloads with webhooks.
$75K / year
$2.50 / call overage
  • 40K calls / year
  • + Webhooks
  • + Custom weights
  • Slack support
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Most common
Scale
Insurers and lenders in production.
$250K / year
$1.25 / call overage
  • 250K calls / year
  • + Bulk scoring
  • 99.95% SLA
  • Dedicated CSM
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Enterprise
Custom contracts for ISVs and platforms.
Custom
From $500K / year
  • Unlimited volume
  • 99.99% SLA
  • ISO 27001 · SOC 2
  • 24/7 phone support
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Reliability

Production-grade by default.

99.95%
Uptime SLA on Scale tier
<500ms
p99 latency on /v1/score
SOC 2
Type II audited
TLS 1.3
Enforced on all endpoints

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100 free calls. No commitment. Co-implementation support with our solutions engineering team.

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