Update a supplier

put

https://app.pennylane.com/api/external/v2/suppliers/{id}

This endpoint returns the updated supplier.

This endpoint requires the following scope: suppliers:all

Path Params

integer

required

Query Params

use_2026_api_changes

boolean

Defaults to true

If you are already using the X-Use-2026-API-Changes header, you can ignore this parameter.

The Pennylane API is introducing important changes, which will be rolled out in three phases: preview, sunset and cleanup.

For new user, please use this parameter with true value to opt in directly to the new version of the API.

Preview phase: From January 14th to April 7th 2026. Opt in by setting this attribute to true to test and migrate to the new behavior.

Sunset phase: From April 8th to June 30th 2026. The new behavior becomes the default. Set this attribute to false if you need additional time to migrate.

Cleanup phase: Starting July 1st 2026 The old behavior will no longer be available. You must have migrated by this point.

For more details, see our API documentation https://pennylane.readme.io/docs/2026-api-changes-guide for migration instructions.

Body Params

name

string

establishment_no

string

Supplier identification number (SIRET).

14-digit number combining SIREN (9 digits) and NIC (5 digits)
Only applicable for French companies

reg_no

string

Supplier registration number (SIREN).

9-digit number
Only applicable for French companies

postal_address

object

vat_number

string

emails

array of strings

emails

iban

string

supplier_payment_method

string | null

enum

supplier_due_date_delay

integer | null

supplier_due_date_rule

string | null

enum

Allowed:

external_reference

string

The unique external reference that was assigned during creation either by you or Pennylane.

Responses

200Returns the updated supplier

400Bad request

401Access token is missing or invalid

403Access to this resource forbidden

404The resource was not found

422Unprocessable content