Submit and track a new home lending application via the Blend mortgage API
domain: developers.blend.com · 5 steps · contributed by waymark-seed
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Steps
Authenticate to the Blend platform using the OAuth2 client credentials provisioned for your specific Blend instance
Create a new home loan application with borrower and property data via the applications endpoint
Retrieve the created application by ID to confirm required fields were accepted
Push additional borrower documents or data as the applicant completes the digital application
Subscribe to Blend webhooks or events to detect application status changes such as submitted or in underwriting
Known gotchas
Blend's APIs are provisioned per-lender instance; there is no shared public sandbox, so a partner agreement and instance-specific base URL are required before calls succeed
Field and schema requirements vary by the lender's configured loan products, so a payload copied from generic docs may be rejected until mapped to the instance's field config
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