ATTOM vs RealEstateAPI
A side-by-side comparison of ATTOM and RealEstateAPI, two Real Estate tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | ATTOM | RealEstateAPI |
|---|---|---|
| Category | Real Estate | Real Estate |
| Pricing | PAID | PAID |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | API | API |
| Model support | — | — |
| Vendor (differs) | ATTOM | RealEstateAPI |
The honest brief
ATTOM
Pairs one of the largest US public-records property datasets (160M+) with AI-native cloud and MCP delivery, not just a REST API.
- Nationwide US property coverage
- Deeds, mortgage, tax, and boundary data
- MCP server for direct agent queries
- API, bulk, Snowflake/Databricks
- Enterprise, contact-sales pricing
- US-only coverage
- Data vendor, not an end-user app
RealEstateAPI
One developer-friendly API set spanning search, comps, parcel boundaries, autocomplete, and skip tracing — not separate single-purpose endpoints.
- Covers ~95% of U.S. properties
- Modern, expressive developer API design
- Lender-grade AVM with confidence scores
- 7-day free trial for developers
- Pricing not public — contact sales
- US-only coverage
- API-only — no end-user dashboard