WinkPG Docs

View as Markdown

The API reference isn't available right now

This instance couldn't load its API specification. The reference returns as soon as the specification is readable again.

Back to the API reference

No such model

This instance publishes no model under that name. It may have been renamed, or no operation this installation serves uses it.

Back to the API reference

This reference may be out of date

This instance couldn't reach its API specification on the last attempt, so this page shows the copy fetched before that. Anything added or changed since then is missing here, and the reference updates itself as soon as the specification is readable again. Last fetched 2026-10-22 22:52 UTC.

`MerchantTaxBinding`

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Per-merchant tax provider binding. Persisted as an element of `Merchant.TaxBindings`. Tax liability is a property of the selling merchant, so the binding belongs to the merchant: a payment that computes tax in a background job reaches the same answer as one computed while an operator watches. Collection membership decides whether the merchant is boarded with that provider at all, and `isEnabled` decides whether it is currently switched on: the same two-level shape the 3-D Secure and wallet bindings use, so a merchant can be switched off without losing credentials.

Values

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

Fields

Field Type Description

providerName required

string

Which tax provider this entry binds the merchant to, by the provider's registered name. Compared case-insensitively. A null or blank provider is treated as no binding at all, so an incompletely boarded row cannot silently become a live selection. Required: When IsEnabled is true. nullablemax length 64

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

isEnabled required

boolean

Master enable flag for this provider on this merchant. When `false` or null, the selector must not return this binding even though the row exists. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

credentialSource required

TaxCredentialSource TaxCredentialSource

Whose provider account the lookups are billed to. Null reads as `Gateway`. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

`Gateway`	The gateway's own provider account. The binding stores no credential of its own: the values are filled in at read time from the host-scoped provider settings, and the merchant surfaces never carry them. This is what a null credentialSource reads as, which is the safe default: a half-completed row cannot accidentally claim to hold the merchant's own contract.
`Merchant`	The merchant's own provider account. The binding carries the credentials, with every secret value held as ciphertext and stripped on any read that leaves the server.

fieldValues required

array of TaxBindingFieldValue array of TaxBindingFieldValue

The provider-declared configuration values for this merchant, keyed by the setting names the provider declares. <b>Secret values are stored encrypted</b> and are stripped, not decrypted, on every read that leaves the server: the admin UI and the API both see null and re-send a secret only when the operator changes it. Only the server-side call to the provider ever uses the plaintext. Empty for a `Gateway` binding, whose values are filled in at read time from the host-scoped provider settings instead. A gateway-sourced row that carried values would be a copy of the gateway's key living on a merchant document. Conditional: When FieldValues is not null. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

Fields of each TaxBindingFieldValue:

Field Type Description

key required

string

The provider setting name this value belongs to, matching a setting field definition the provider's contributor declares. Compared case-insensitively. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

value required

string

The configured value. Ciphertext at rest whenever `isSecret` is `true`, and `null` on every read that leaves the server. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

isSecret required

boolean

Whether `value` is credential material, and so held encrypted and stripped on read. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

isConfigured required

boolean

Whether a secret value is stored, set on reads so an operator can tell a configured secret from an empty one without the value ever being sent. nullable

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

This body has no documented fields.

defaultCountryCode required

string

The country code to use for a lookup that does not name one. Null falls back to the gateway-wide `TaxCalculation.DefaultCountryCode` setting. nullablemax length 3

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.

This model has no documented fields.