> ## Documentation Index > Fetch the complete documentation index at: https://trigger.dev/docs/llms.txt > Use this file to discover all available pages before exploring further. # Override Concurrency Limit > Override the concurrency limit of a queue. This is useful for temporarily scaling up or down based on demand. ## OpenAPI ````yaml v3-openapi POST /api/v1/queues/{queueParam}/concurrency/override openapi: 3.1.0 info: title: Trigger.dev v3 REST API description: >- The REST API lets you trigger and manage runs on Trigger.dev. You can trigger a run, get the status of a run, and get the results of a run. version: 2024-04 license: name: Apache 2.0 url: https://www.apache.org/licenses/LICENSE-2.0.html servers: - url: https://api.trigger.dev description: Trigger.dev API security: [] paths: /api/v1/queues/{queueParam}/concurrency/override: post: tags: - queues summary: Override queue concurrency limit description: >- Override the concurrency limit of a queue. This is useful for temporarily scaling up or down based on demand. operationId: override_queue_concurrency_v1 parameters: - in: path name: queueParam required: true schema: type: string description: >- The queue ID (e.g., `queue_1234`), or the name of the queue when using the `type` body parameter. example: queue_1234 requestBody: required: true content: application/json: schema: type: object required: - concurrencyLimit properties: type: type: string enum: - id - task - custom default: id description: | How to interpret the `queueParam` path parameter: - `id`: Treat as a queue ID (default) - `task`: Treat as a task ID to get the task's default queue - `custom`: Treat as a custom queue name concurrencyLimit: type: integer minimum: 0 maximum: 100000 description: > The new concurrency limit to set for the queue. It may not exceed your environment's maximum concurrency limit: a higher value is rejected with a 400, not capped to the maximum. responses: '200': description: Concurrency limit overridden successfully content: application/json: schema: $ref: '#/components/schemas/QueueObject' '400': description: > Invalid request parameters, or the requested concurrency limit exceeds the environment's maximum concurrency limit. '401': description: Unauthorized request '404': description: Queue not found security: - secretKey: [] x-codeSamples: - lang: typescript source: |- import { queues } from "@trigger.dev/sdk"; // Override concurrency limit to 5 await queues.overrideConcurrencyLimit("queue_1234", 5); // Using type and name await queues.overrideConcurrencyLimit( { type: "task", name: "my-task-id" }, 20 ); components: schemas: QueueObject: type: object required: - id - name - type - version - running - queued - paused properties: id: type: string description: The queue ID, e.g., `queue_1234` example: queue_1234 name: type: string description: >- The queue name. For task queues, this is the task ID. For custom queues, this is the name you specified. example: my-task-id type: type: string enum: - task - custom description: | The type of queue: - `task`: Created automatically for each task - `custom`: Created explicitly in your code using `queue()` example: task version: type: string enum: - V1 - V2 description: > Discriminates the shape: - `V1`: the queue carries its own `concurrencyLimit` (applied per key when runs pass a `concurrencyKey`, to the whole queue when they don't) and its `concurrency` override state - `V2`: the queue is only the line runs wait in; concurrency is declared with the task `concurrency` option and managed through the concurrency-limits endpoints. `concurrencyLimit` is always null and `concurrency` is absent. example: V1 running: type: integer description: The number of runs currently executing example: 5 queued: type: integer description: The number of runs currently queued example: 10 paused: type: boolean description: Whether the queue is paused. When paused, no new runs will start. example: false concurrencyLimit: type: integer nullable: true description: >- The queue's own concurrency limit. Meaningful on V1 queues; always null on V2 queues. example: 10 concurrency: type: object description: Detailed concurrency information. V1 queues only. properties: current: type: integer nullable: true description: The effective/current concurrency limit example: 10 base: type: integer nullable: true description: The base concurrency limit defined in code example: 10 override: type: integer nullable: true description: The override concurrency limit (if set) example: null overriddenAt: type: string format: date-time nullable: true description: When the concurrency limit was overridden example: null overriddenBy: type: string nullable: true description: Who overrode the concurrency limit (null if via API) example: null securitySchemes: secretKey: type: http scheme: bearer description: > Use a named environment API key. It starts with `tr_dev_sk_`, `tr_prod_sk_`, `tr_stg_sk_`, etc. Create a named API key in the API Keys section of your Trigger.dev project dashboard. Choose the narrowest access preset that supports your integration. Our TypeScript SDK will default to using the value of the `TRIGGER_SECRET_KEY` environment variable if it is set. If you are using the SDK in a different environment, you can set the key using the `configure` function. ```typescript import { configure } from "@trigger.dev/sdk"; configure({ accessToken: "tr_dev_sk_1234" }); ``` ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.