API Comparison
Same property intelligence. Transparent pricing. No annual contract. Start free and scale as you grow.
| Feature | ATTOM | Tortus API |
|---|---|---|
| Pricing model | Annual contract, $6K+ minimum | Flat monthly plans from $299/mo. Annual discount available. |
| Free evaluation | None — sales call required | 14-day trial. 1,000 calls. Card required, $0 charged. |
| Signup experience | Contact sales → demo → contract | Self-serve. API key in under 2 minutes. |
| Pricing transparency | Not published (bundled annual) | Published on site. Overage rates per plan. |
| AI valuations (AVM) | Available (separate pricing) | Built-in. 6.7% median error. Included in every plan. |
| Property coverage | 155M+ parcels nationwide | 20M+ parcels, 48 states — expanding quarterly |
| Data normalization | Raw data — normalize yourself | Pre-normalized, enriched, depth-aware responses |
| Response format | Varies by endpoint, inconsistent | Consistent JSON across all endpoints |
| Rate limiting | Varies by plan (opaque) | Published limits. Clear 429 + Retry-After headers. |
| Billing model | Flat annual fee, use it or lose it | Included calls + transparent overage. Pay for what you use. |
| Enrichment layers | Flood, census, schools (separate) | Flood, census, opportunity zones, risk scoring — included |
| Documentation | PDF-heavy, dated | Interactive docs with live code examples |
| Support | G2: 3.8/5 — slow, bounced between reps | Developer-first. Direct support channel. |
| Contract terms | 12-month lock-in | Month-to-month. Cancel anytime. No lock-in. |
“Pricing is completely opaque. You have to get on a call just to learn what it costs.”
— G2 Review
✓Tortus publishes all pricing on the website. 14-day trial to evaluate.
“Customer service is horrible. I was bounced between 3 reps and still didn't get an answer.”
— Trustpilot (2.2/5)
✓Self-serve API. Key in 2 minutes. Docs answer 90% of questions.
“The data is raw and overwhelming. We spent weeks normalizing before we could use it.”
— G2 Review
✓Tortus returns normalized, enriched, typed JSON. Ready to use.
“Locked into an annual contract. Our startup pivoted after 3 months but we're still paying.”
— G2 Review
✓Month-to-month. No contracts. Cancel anytime.
No SDK required. No setup call. Just a standard REST API.
curl -X POST "https://api.tortus.io/api/v1/avm/estimate" \
-H "x-api-key: sk_live_your_key_here" \
-H "Content-Type: application/json" \
-d '{ "property": { "address": "100 West 57th Street" } }'
# Response:
{
"estimated_value": 1850000,
"confidence": "high",
"confidence_interval": { "low": 1720000, "high": 1980000 },
"resolution": {
"method": "address",
"fields_from_database": ["sqft", "bedrooms", "latitude", "longitude"]
}
}Start with a 14-day trial. No contract. No sales call. Full API access from day one.