---
title: "Creates validation rule for parent object"
method: POST
path: "/api/v3/aa-sequence-schema/{aa_sequence_schema_id}:create-validation-rule"
tags: ["AA Sequence Schema"]
---

# Creates validation rule for parent object

`POST /api/v3/aa-sequence-schema/{aa_sequence_schema_id}:create-validation-rule`

## Request

- Base URL: `https://{tenant_name}.benchling.com`
- URL: `https://{tenant_name}.benchling.com/api/v3/aa-sequence-schema/{aa_sequence_schema_id}:create-validation-rule`
- Auth: HTTP bearer

Creates validation rule for parent object

## Path parameters

- `aa_sequence_schema_id` string, required

## Headers

- `EARLY-ACCESS` string

## Request body

- CreateValidationRuleInput
  - `definition` string, required
  - `description` string
  - `errorMessage` string, required
  - `name` string, required

## Response `200`

OK

- CreateValidationRuleOutput: Output Type for :create_validation_rule custom method
  - `validationRuleId` string

## Other responses

- `400`: Bad Request
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/benchling/apis/benchling-api.md) - [All operations](https://skmtc.dev/benchling/apis/benchling-api/llms.txt) - [OpenAPI document](https://skmtc.dev/benchling/apis/benchling-api/revisions/c9f087b98b8b?raw)