---
title: "Set KYB form field values (business)"
method: POST
path: "/compliance/kyb/fields"
tags: ["compliance", "kyb"]
---

# Set KYB form field values (business)

`POST /compliance/kyb/fields`

Encrypts and persists new plaintext values for each form field.

## Request body

- KybSetKYBFormFieldValuesInput
  - `updates` KybSetKYBFormFieldValueUpdate[], nullable
    - `form_field_id` string
    - `plaintext_b64` string

## Response `200`

OK

- KybAck
  - `ok` boolean

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `default` — Error response.

## Changes

- **2026-08-06** `fe2041c5ba86` — 1 warning
  - changed the pattern of the request property `updates/items/form_field_id` from `^ffld_[0-9a-hjkmnp-tv-z]{26}$` to `^ffld_[0-7][0-9a-hjkmnp-tv-z]{25}$`

[Change history](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/compliance/kyb/fields/post.md)

---

[API](https://skmtc.dev/stablesea/apis/stable-sea-backend.md) · [All operations](https://skmtc.dev/stablesea/apis/stable-sea-backend/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/stablesea/stable-sea-backend/revisions/78f4fe30ef9c/schema)