---
title: "Add a custom prompt-attribute value"
method: POST
path: "/projects/{id}/prompt-attributes"
tags: ["Resources"]
---

# Add a custom prompt-attribute value

`POST /projects/{id}/prompt-attributes`

## Path parameters

- `id` string, uuid, required

## Request body

- object
  - `value` string, required

## Response `201`

Attribute created

- object

## Other responses

- `400` — Missing or invalid request parameter.
- `401` — Missing, malformed, or revoked API key.
- `402` — Monthly included API calls for your tier are used up (code `USAGE_LIMIT`). Body includes a `limit` object — `{ limitHit, currentTier, targetTier, feature, cap, used, resetAt }` — describing the cap and the upgrade that lifts it.
- `404` — Resource not found or not owned by your account.
- `429` — Rate limit, project cap, or daily quota hit. Body includes a `code` field.
- `500` — Server error. Retry; if persistent, contact support.

---

[API](https://skmtc.net/openlens/apis/openlens-api.md) · [All operations](https://skmtc.net/openlens/apis/openlens-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/openlens/openlens-api/versions/d307a7633c0a/schema)