---
title: "Add Supplemental Information"
method: POST
path: "/api/v1/credentials/{id}/supplemental-information"
tags: ["ENTERPRISE", "Connectivity v1.Credentials"]
---

# Add Supplemental Information

`POST /api/v1/credentials/{id}/supplemental-information`

Adds supplemental information to an authentication.

## Path parameters

- `id` string, required

## Request body

- SupplementalInformation — The supplemental information.
  - `information` object — A key-value structure, use `"name":"value"` from the fields found in `supplementalInformation` on the `Credentials` when status is `AWAITING_SUPPLEMENTAL_INFORMATION`.

## Response `204`

The supplemental information was successfully sent.

## Other responses

- `400` — The supplemental information is missing or malformed.
- `404` — The credentials could not be found.

---

[API](https://skmtc.net/tink/apis/tink-api.md) · [All operations](https://skmtc.net/tink/apis/tink-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/tink/tink-api/revisions/23d8982b533d/schema)