---
title: "Create keyword monitor"
method: POST
path: "/api/v1/monitors/keywords"
tags: ["Monitors"]
---

# Create keyword monitor

`POST /api/v1/monitors/keywords`

Creates a keyword monitor. Keyword monitors are unlimited. Active monitors check every 1 second and cost 21 credits per hour. Events and webhook deliveries are included. Creation requires available credits for the first hourly charge.

## Request body

- object
  - `query` string, required — X search query to monitor. Whitespace is normalized.
  - `name` string — Your own label for the keyword monitor. Its events carry it as monitorName.
  - `eventTypes` EventType[], required — Array of event types to subscribe to.

## Response `201`

Keyword monitor created

- KeywordMonitor — Keyword monitor that tracks matching public X activity.
  - `id` string, required
  - `query` string, required
  - `name` string — Customer-set label of the keyword monitor, when set.
  - `eventTypes` EventType[], required — Array of event types to subscribe to.
  - `isActive` boolean, required
  - `createdAt` string, date-time, required
  - `nextBillingAt` string, date-time, required — Next hourly credit charge time for this keyword query monitor.

## Other responses

- `400` — Invalid input
- `401` — Unauthenticated
- `402` — Payment required. MPP reads include `WWW-Authenticate`. Authenticated reads include balances and checkout; a failed request never creates checkout. Guest keys offer top-up.
- `409` — Keyword monitor already exists
- `429` — Xquik tier rate limit exceeded. Wait `Retry-After` seconds before retrying.
- `default` — Unexpected error.

## Changes

- **2026-09-27** `c33250258fdf` — 24 warning
  - added the new `draw_too_large` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `draw_too_large` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `draw_too_large` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `draw_too_large` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - …20 more
- **2026-09-26** `9ae77b3e4fdc` — 12 warning
  - added the new `bookmark_folders_unavailable` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `bookmark_folders_unavailable` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `bookmark_folders_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `bookmark_folders_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - …8 more
- …earlier changes not shown

[Full history](https://skmtc.dev/xquik-dev/apis/xquik-api-2/changes/api/v1/monitors/keywords/post.md)

---

[API](https://skmtc.dev/xquik-dev/apis/xquik-api-2.md) · [All operations](https://skmtc.dev/xquik-dev/apis/xquik-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/xquik-dev/apis/xquik-api-2/revisions/c33250258fdf?raw)