---
title: "Start (or resume) a prompt run"
method: POST
path: "/prompts/run"
tags: ["Runs"]
---

# Start (or resume) a prompt run

`POST /prompts/run`

Kicks off a fresh scan across the project's active platforms. Returns immediately with a `runId`. If a previous run was interrupted, this resumes it instead of starting a new one. Concurrent runs against the same project return 409.

## Request body

- object
  - `projectId` string, uuid, required

## Response `200`

Successful response

- object
  - `runId` string, uuid, required
  - `status` 'running', required
  - `resumed` boolean

## 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.
- `409` — A run is already in progress for this project.
- `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.dev/openlens/apis/openlens-api.md) · [All operations](https://skmtc.dev/openlens/apis/openlens-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/openlens/openlens-api/revisions/f8f03e555193/schema)