Documentation changes for September 18, 2026

As part of an ongoing effort to better align the documentation with the API, we’ve corrected several response schemas. These changes affect the documentation only; the API was already returning this data.

Corrected nullable fields on vendor responses

Several VendorQueryRecord fields can return null and are now documented as nullable — including Address1, Address2, City, State, Zip, Country, Contacts, BillingData, PaymentMethod, EnrollmentStatus, Summary, the remit* and payee* fields, and the enrichment fields (CardAccepted, AchAccepted, CheckAccepted, EnrichedBy, EnrichedAt, EnrichmentId). The response’s always-present fields are now marked required. This affects:

Corrected additionalData type on bill, vendor, payout, and user responses

The AdditionalData field was documented as a string on several response fields, but the API returns an object. This affects the following endpoints:

The AdditionalData field was also changed from a string to an object for the following endpoints’ request bodies:

Corrected BillDate/DueDate format on bill responses

BillDate and DueDate were documented as a date (YYYY-MM-DD), but the API always returns a full timestamp. We changed the documentation to reflect this. This affects the following endpoints: