> ## Documentation Index
> Fetch the complete documentation index at: https://docs.context.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# List Monitors

> List your organization's monitors with free-text search plus status, target type, and tag filters.

<Badge color="green">0 Credits</Badge>


## OpenAPI

````yaml GET /monitors
openapi: 3.0.0
info:
  title: Context API
  description: API for retrieving context data from any website
  version: 1.0.0
servers:
  - url: https://api.context.dev/v1
security: []
tags:
  - name: Monitors
    description: >-
      Monitor pages, sitemaps, and extracted website data for exact or semantic
      changes. The change.detected webhook payload is documented by the
      MonitorsChangeDetectedWebhookPayload schema.
paths:
  /monitors:
    get:
      tags:
        - Monitors
      summary: List monitors
      description: >-
        Lists monitors for the authenticated organization. Supports free-text
        search (`q` over `search_by` fields, `prefix` or `exact` via
        `search_type`) plus status/type/tag filters. Results are paginated via
        the opaque `cursor`.
      operationId: listMonitors
      parameters:
        - $ref: '#/components/parameters/MonitorsSearchQuery'
        - $ref: '#/components/parameters/MonitorsSearchBy'
        - $ref: '#/components/parameters/MonitorsSearchType'
        - $ref: '#/components/parameters/MonitorsTargetTypeFilter'
        - $ref: '#/components/parameters/MonitorsChangeDetectionTypeFilter'
        - $ref: '#/components/parameters/MonitorsMonitorStatusFilter'
        - $ref: '#/components/parameters/MonitorsTagsFilter'
        - $ref: '#/components/parameters/MonitorsTagFilter'
        - $ref: '#/components/parameters/MonitorsLimit'
        - $ref: '#/components/parameters/MonitorsCursor'
      responses:
        '200':
          description: A paginated list of monitors
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MonitorsListMonitorsResponse'
        '401':
          $ref: '#/components/responses/MonitorsUnauthorized'
      security:
        - bearerAuth: []
      x-codeSamples:
        - lang: JavaScript
          source: |-
            import ContextDev from 'context.dev';

            const client = new ContextDev({
              apiKey: process.env['CONTEXT_DEV_API_KEY'], // This is the default and can be omitted
            });

            const monitors = await client.monitors.list();

            console.log(monitors.data);
        - lang: Python
          source: |-
            import os
            from context.dev import ContextDev

            client = ContextDev(
                api_key=os.environ.get("CONTEXT_DEV_API_KEY"),  # This is the default and can be omitted
            )
            monitors = client.monitors.list()
            print(monitors.data)
        - lang: Go
          source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/context-dot-dev/context-go-sdk\"\n\t\"github.com/context-dot-dev/context-go-sdk/option\"\n)\n\nfunc main() {\n\tclient := contextdev.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tmonitors, err := client.Monitors.List(context.TODO(), contextdev.MonitorListParams{})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", monitors.Data)\n}\n"
        - lang: Ruby
          source: |-
            require "context_dev"

            context_dev = ContextDev::Client.new(api_key: "My API Key")

            monitors = context_dev.monitors.list

            puts(monitors)
        - lang: PHP
          source: >-
            <?php


            require_once dirname(__DIR__) . '/vendor/autoload.php';


            use ContextDev\Client;

            use ContextDev\Core\Exceptions\APIException;


            $client = new Client(apiKey: getenv('CONTEXT_DEV_API_KEY') ?: 'My
            API Key');


            try {
              $monitors = $client->monitors->list(
                changeDetectionType: 'exact',
                cursor: 'cursor',
                limit: 1,
                q: 'q',
                searchBy: ['name'],
                searchType: 'exact',
                status: 'active',
                tag: 'tag',
                tags: ['string'],
                targetType: 'page',
              );

              var_dump($monitors);
            } catch (APIException $e) {
              echo $e->getMessage();
            }
        - lang: CLI
          source: |-
            context-dev monitors list \
              --api-key 'My API Key'
components:
  parameters:
    MonitorsSearchQuery:
      name: q
      in: query
      required: false
      schema:
        type: string
        maxLength: 200
      description: Free-text search term, matched against the fields named in `search_by`.
      example: pricing
    MonitorsSearchBy:
      name: search_by
      in: query
      required: false
      style: form
      explode: false
      schema:
        type: array
        items:
          type: string
          enum:
            - name
            - url
            - instructions
            - tags
      description: >-
        Comma-separated fields to search with `q`. Defaults to all of them. Note
        `instructions` only exists on extract monitors.
      example: name,url
    MonitorsSearchType:
      name: search_type
      in: query
      required: false
      schema:
        type: string
        enum:
          - exact
          - prefix
        default: prefix
      description: >-
        `prefix` for as-you-type prefix matching (default), `exact` for
        full-token matching.
    MonitorsTargetTypeFilter:
      name: target_type
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/MonitorsTargetType'
    MonitorsChangeDetectionTypeFilter:
      name: change_detection_type
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/MonitorsChangeDetectionType'
    MonitorsMonitorStatusFilter:
      name: status
      in: query
      required: false
      schema:
        $ref: '#/components/schemas/MonitorsMonitorStatus'
    MonitorsTagsFilter:
      name: tags
      in: query
      required: false
      style: form
      explode: false
      schema:
        type: array
        items:
          type: string
      description: >-
        Comma-separated list of tags to filter by (matches monitors having any
        of them).
      example: pricing,competitor
    MonitorsTagFilter:
      name: tag
      in: query
      required: false
      schema:
        type: string
      description: Filter to items that have this tag.
      example: pricing
    MonitorsLimit:
      name: limit
      in: query
      required: false
      schema:
        type: integer
        minimum: 1
        maximum: 100
        default: 25
    MonitorsCursor:
      name: cursor
      in: query
      required: false
      schema:
        type: string
  schemas:
    MonitorsListMonitorsResponse:
      type: object
      required:
        - data
        - has_more
        - next_cursor
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/MonitorsMonitor'
        has_more:
          type: boolean
        next_cursor:
          type: string
          nullable: true
      additionalProperties: false
    MonitorsTargetType:
      type: string
      enum:
        - page
        - sitemap
        - extract
    MonitorsChangeDetectionType:
      type: string
      enum:
        - exact
        - semantic
    MonitorsMonitorStatus:
      type: string
      enum:
        - active
        - paused
        - failed
      description: >-
        Monitor lifecycle status. `failed` means the most recent run failed (see
        the monitor's `last_error`); failed monitors keep running on schedule
        and flip back to `active` on the next successful run. Monitors are
        auto-`paused` after repeated consecutive failures or insufficient-credit
        skips; resume by PATCHing status to `active`.
    MonitorsMonitor:
      type: object
      title: Monitor
      description: >-
        A web monitor. `mode` is the constant `web`; behavior is described by
        `target` (page/sitemap/extract) and `change_detection` (exact/semantic).
      required:
        - mode
        - id
        - name
        - target
        - change_detection
        - schedule
        - status
        - created_at
        - updated_at
      properties:
        mode:
          $ref: '#/components/schemas/MonitorsMode'
        id:
          type: string
          example: mon_123
        name:
          type: string
          example: Acme pricing monitor
        target:
          $ref: '#/components/schemas/MonitorsTarget'
        change_detection:
          $ref: '#/components/schemas/MonitorsChangeDetection'
        schedule:
          $ref: '#/components/schemas/MonitorsSchedule'
        webhook:
          $ref: '#/components/schemas/MonitorsNullableWebhookConfig'
        status:
          $ref: '#/components/schemas/MonitorsMonitorStatus'
        last_run_at:
          type: string
          format: date-time
          nullable: true
        last_change_at:
          type: string
          format: date-time
          nullable: true
        next_run_at:
          type: string
          format: date-time
          nullable: true
          description: When the next scheduled run is due.
        last_error:
          nullable: true
          description: >-
            Error from the most recent failed run; null when the last run
            succeeded.
          allOf:
            - $ref: '#/components/schemas/MonitorsRunError'
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
        tags:
          type: array
          items:
            type: string
            minLength: 1
            maxLength: 50
          maxItems: 20
          description: >-
            User-defined tags for grouping and filtering monitors and their
            changes.
          example:
            - pricing
            - competitor
        baseline:
          nullable: true
          description: >-
            Current baseline: the last observed value the monitor compares new
            snapshots against. Its shape follows `target.type`
            (page/sitemap/extract). Only populated on GET
            /monitors/{monitor_id}; null until the first baseline run completes
            (and after a target or change_detection update, which resets the
            baseline).
          oneOf:
            - $ref: '#/components/schemas/MonitorsPageBaseline'
            - $ref: '#/components/schemas/MonitorsSitemapBaseline'
            - $ref: '#/components/schemas/MonitorsExtractBaseline'
      additionalProperties: false
    ErrorResponse:
      type: object
      properties:
        message:
          type: string
          description: Error message
        error_code:
          type: string
          enum:
            - INTERNAL_ERROR
            - VALID
            - NOT_FOUND
            - FORBIDDEN
            - USAGE_EXCEEDED
            - RATE_LIMITED
            - UNAUTHORIZED
            - DISABLED
            - INSUFFICIENT_PERMISSIONS
            - TIMEOUT_EXCEEDS_MAXIMUM
            - WEBSITE_ACCESS_ERROR
            - EXTERNAL_PROVIDER_ERROR
            - INPUT_VALIDATION_ERROR
            - REQUEST_TIMEOUT
          description: Error code indicating the type of error
        key_metadata:
          $ref: '#/components/schemas/KeyMetadata'
    MonitorsMode:
      type: string
      title: Monitor mode
      enum:
        - web
      description: >-
        Top-level monitor category. Always `web` today; the concrete behavior is
        described by `target` and `change_detection`.
    MonitorsTarget:
      description: Discriminated union describing what the monitor watches.
      oneOf:
        - $ref: '#/components/schemas/MonitorsPageTarget'
        - $ref: '#/components/schemas/MonitorsSitemapTarget'
        - $ref: '#/components/schemas/MonitorsExtractTarget'
      discriminator:
        propertyName: type
        mapping:
          page:
            $ref: '#/components/schemas/MonitorsPageTarget'
          sitemap:
            $ref: '#/components/schemas/MonitorsSitemapTarget'
          extract:
            $ref: '#/components/schemas/MonitorsExtractTarget'
    MonitorsChangeDetection:
      description: Discriminated union describing how changes are detected.
      oneOf:
        - $ref: '#/components/schemas/MonitorsExactChangeDetection'
        - $ref: '#/components/schemas/MonitorsSemanticChangeDetection'
      discriminator:
        propertyName: type
        mapping:
          exact:
            $ref: '#/components/schemas/MonitorsExactChangeDetection'
          semantic:
            $ref: '#/components/schemas/MonitorsSemanticChangeDetection'
    MonitorsSchedule:
      description: >-
        Discriminated union describing how the monitor is scheduled. Only
        `interval` is supported today; `cron` and `exact_time` are reserved for
        future use.
      oneOf:
        - $ref: '#/components/schemas/MonitorsIntervalSchedule'
      discriminator:
        propertyName: type
        mapping:
          interval:
            $ref: '#/components/schemas/MonitorsIntervalSchedule'
    MonitorsNullableWebhookConfig:
      nullable: true
      allOf:
        - $ref: '#/components/schemas/MonitorsWebhookConfig'
    MonitorsRunError:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: string
          example: fetch_failed
        message:
          type: string
          example: The target URL could not be fetched.
      additionalProperties: false
    MonitorsPageBaseline:
      type: object
      title: Page baseline
      description: >-
        Current baseline of a `page` monitor: the visible page text as last
        observed.
      required:
        - text
        - captured_at
      properties:
        text:
          type: string
          description: The page's visible text as last observed.
          example: |-
            Acme Pricing
            Starter $9/mo…
        captured_at:
          type: string
          format: date-time
          description: When this baseline was last captured or replaced.
      additionalProperties: false
    MonitorsSitemapBaseline:
      type: object
      title: Sitemap baseline
      description: >-
        Current baseline of a `sitemap` monitor: the normalized URL set as last
        observed.
      required:
        - urls
        - url_count
        - captured_at
      properties:
        urls:
          type: array
          items:
            type: string
          description: The sitemap URLs as last observed (sorted, normalized).
          example:
            - https://acme.com/blog/launch
            - https://acme.com/pricing
        url_count:
          type: integer
          description: Number of URLs in the baseline.
          example: 2
        captured_at:
          type: string
          format: date-time
          description: When this baseline was last captured or replaced.
      additionalProperties: false
    MonitorsExtractBaseline:
      type: object
      title: Extract baseline
      description: >-
        Current baseline of an `extract` monitor: the pages it tracks and the
        structured data as last extracted.
      required:
        - data
        - urls_analyzed
        - captured_at
      properties:
        data:
          description: >-
            The extracted structured data, matching the monitor's extraction
            schema (same shape as the /web/extract endpoint's `data`). Refreshed
            when the monitor re-discovers its page set (at most about once a
            day); `null` when no extraction has been captured yet.
          example:
            plans:
              - name: Starter
                price: $9/mo
        urls_analyzed:
          type: array
          items:
            type: string
          description: The page URLs the monitor tracks and analyzes for changes.
          example:
            - https://acme.com/pricing
        captured_at:
          type: string
          format: date-time
          description: When this baseline was last captured or replaced.
      additionalProperties: false
    KeyMetadata:
      type: object
      description: >-
        Metadata about the API key used for the request. Included in every
        response whenever a valid API key is provided, even when the response
        status is not 200.
      properties:
        credits_consumed:
          type: integer
          description: The number of credits consumed by this request.
        credits_remaining:
          type: integer
          description: >-
            The number of credits remaining for your organization after this
            request.
      required:
        - credits_consumed
        - credits_remaining
    MonitorsPageTarget:
      type: object
      title: Page target
      description: Watch a single web page.
      required:
        - type
        - url
      properties:
        type:
          type: string
          enum:
            - page
        url:
          type: string
          format: uri
          example: https://acme.com/pricing
        normalize_whitespace:
          type: boolean
          default: true
          description: Normalize whitespace before comparing or analyzing text.
      additionalProperties: false
    MonitorsSitemapTarget:
      type: object
      title: Sitemap target
      description: >-
        Watch a sitemap for URL additions and removals. Crawled URLs are
        normalized (lowercased host, no trailing slash/fragment) and scoped to
        the monitored site and its subdomains before comparison. On a detected
        difference the sitemap is re-fetched within the same run and only URLs
        both observations agree on are reported, suppressing transient crawl
        flaps.
      required:
        - type
        - url
      properties:
        type:
          type: string
          enum:
            - sitemap
        url:
          type: string
          format: uri
          description: Sitemap URL to monitor.
          example: https://acme.com/sitemap.xml
        include:
          type: array
          items:
            type: string
          description: URL path patterns to include.
          example:
            - /blog/*
            - /pricing*
        exclude:
          type: array
          items:
            type: string
          description: URL path patterns to exclude.
          example:
            - /legal/*
            - /privacy
        max_urls:
          type: integer
          minimum: 1
          maximum: 10000
          default: 5000
          description: Maximum number of sitemap URLs to track (capped at 10,000).
      additionalProperties: false
    MonitorsExtractTarget:
      type: object
      title: Extract target
      description: >-
        Watch the monitor-relevant pages of a site for meaningful changes. A
        crawl guided by `schema`/`instructions` selects up to `max_pages`
        relevant pages to track; each run re-checks exactly those pages, and
        confirmed content changes are judged against the monitor's instructions.
        The tracked page set is refreshed by a periodic re-discovery crawl.
      required:
        - type
        - url
        - instructions
      properties:
        type:
          type: string
          enum:
            - extract
        url:
          type: string
          format: uri
          description: Root URL to extract structured data from.
          example: https://acme.com
        schema:
          type: object
          additionalProperties: true
          description: >-
            JSON Schema describing the data you care about. It guides which
            pages are selected for tracking and gives the change judge context
            on what matters. If omitted, a default summary + key-points schema
            is used.
          example:
            type: object
            properties:
              plans:
                type: array
                items:
                  type: object
                  properties:
                    name:
                      type: string
                    price:
                      type: string
        instructions:
          type: string
          minLength: 1
          maxLength: 2000
          description: >-
            Natural-language instructions guiding which pages and facts to track
            and which changes to report.
          example: >-
            Extract every pricing plan with its monthly price and included
            limits.
        max_pages:
          type: integer
          minimum: 1
          maximum: 50
          default: 10
          description: Maximum number of pages to track.
        max_depth:
          type: integer
          minimum: 0
          maximum: 10
          description: >-
            Optional maximum link depth from the starting URL (0 = only the
            starting page).
        follow_subdomains:
          type: boolean
          default: false
      additionalProperties: false
    MonitorsExactChangeDetection:
      type: object
      title: Exact
      description: >-
        Detect exact changes. For page targets, this means visible text diffs.
        For sitemap targets, this means URL additions and removals.
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - exact
      additionalProperties: false
    MonitorsSemanticChangeDetection:
      type: object
      title: Semantic
      description: >-
        Detect meaning-level changes to the extracted data, ignoring cosmetic or
        paraphrase-only differences. What is watched is determined by the
        extract target's `schema` and `instructions`.
      required:
        - type
      properties:
        type:
          type: string
          enum:
            - semantic
        confidence_threshold:
          type: number
          minimum: 0
          maximum: 1
          default: 0.75
      additionalProperties: false
    MonitorsIntervalSchedule:
      type: object
      title: Interval
      description: >-
        Run the monitor on a fixed interval defined by a frequency and a unit,
        e.g. every 6 hours or every 2 days. The total interval (frequency ×
        unit) must be between 10 minutes and 1 year.
      required:
        - type
        - frequency
        - unit
      properties:
        type:
          type: string
          enum:
            - interval
        frequency:
          type: integer
          minimum: 1
          maximum: 525600
          description: >-
            Number of units between runs. The resulting interval (frequency ×
            unit) must be at least 10 minutes and at most 1 year (e.g. minimum
            10 when unit is minutes; maximum 365 when unit is days).
          example: 6
        unit:
          $ref: '#/components/schemas/MonitorsScheduleUnit'
      additionalProperties: false
    MonitorsWebhookConfig:
      type: object
      required:
        - url
      properties:
        url:
          type: string
          format: uri
          description: Webhook URL called when a change is detected.
          example: https://example.com/webhook
        secret:
          type: string
          readOnly: true
          description: >-
            Signing secret used to verify webhook authenticity. Each delivery
            includes an `X-Context-Signature: t=<unix>,v1=<hmac>` header, where
            the HMAC is SHA-256 over `"{t}.{rawRequestBody}"` keyed by this
            secret. Recompute it with a constant-time compare and reject stale
            timestamps to prevent replay. Generated by the API; cannot be set by
            clients.
          example: whsec_8f3a…
      additionalProperties: false
    MonitorsScheduleUnit:
      type: string
      enum:
        - minutes
        - hours
        - days
      example: hours
  responses:
    MonitorsUnauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````