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Handling API Failures

Our APIs occasionally experience outages or disruptions that can temporarily affect service availability. While these interruptions are rare – and can happen to any API – we recommend implementing robust retry logic and checking our status page or contacting support if errors persist.

See Error Responses for more details.

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Delays in Search APIs

Fello is a robust data enrichment platform that performs extensive data aggregation and background processing – particularly for property records. As a result, there may be a short delay (a few seconds) before certain details become available.

For example, when a new address is added to a contact, Fello automatically enriches the record with relevant property information such as home facts. Also, email validation status may not be immediately available and could appear shortly after the initial submission.