ATTOM · Rate Limits

Attomdata Rate Limits

ATTOM does not publish numeric per-second rate limits on its public developer portal. Trial keys are throttled to a capped number of total calls (daily and monthly), and production keys carry per-contract throughput. The policy entries below capture the visible policy posture; consumers should inspect the standard ATTOM error envelope for `code: 401/429/500` and consult their account team for negotiated limits.

Attomdata Rate Limits is the rate-limit profile for ATTOM on the APIs.io network.

The provider publishes no rate limits that could be read; the profile records that absence rather than inventing a ceiling.

Limit state is signalled in the request and response response headers.

The profile also includes 3 backoff/retry policies defined.

Tagged areas include Real Estate, Property Data, Property Intelligence, Mortgage, and AVM.

0 Limits requestresponse
Method: generated, dated 2026-05-25.
Written by API Evangelist on 2026-05-25 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
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Limits

ATTOM publishes no rate limits that could be read; the profile records that absence rather than inventing a ceiling.
Real EstateProperty DataProperty IntelligenceMortgageAVMForeclosureTransactionOwner DataBuilding PermitsGeospatialBoundariesDemographicsNeighborhoodPOIInsurancePropTech

Policies

Trial Call Cap
Trial API keys are subject to a capped number of calls (daily and monthly). The exact cap is documented to the developer at sign-up time and may change without notice.
Production Throughput
Production API keys carry per-contract throughput (requests/second and monthly call totals) negotiated with ATTOM sales. Consumers should expect throttling at the gateway when contracted thresholds are exceeded.
Authentication Failure
Requests without the `apikey` header (or with an invalid key) are rejected at the gateway with HTTP 401 and the ATTOM error envelope.

Sources

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