> ## Documentation Index > Fetch the complete documentation index at: https://docs.citino.ai/llms.txt > Use this file to discover all available pages before exploring further. # Get the daily trend > Daily visibility for your brand, the leader and the two brands just above you, with markers on the days something changed. ## OpenAPI ````yaml /api-reference/openapi.json get /projects/{projectId}/trend openapi: 3.1.0 info: title: Citino API version: v1 description: >- Read how AI engines answer your market's questions, and keep your prompts, competitors, segments and engines in step from code. Every number carries its band and sample size. servers: - url: https://api.citino.ai/v1 security: - bearerAuth: [] tags: - name: Brand and competitors - name: Definitions - name: Engines - name: Projects - name: Alerts - name: Attribution - name: Claims - name: Crawlability - name: Crawler activity - name: Metrics - name: Experiments - name: Prompts - name: Objections - name: Monthly reports - name: Reports - name: Runs - name: Searches - name: Sources - name: Work items - name: Settings paths: /projects/{projectId}/trend: get: tags: - Metrics summary: Get the daily trend description: >- Daily visibility for your brand, the leader and the two brands just above you, with markers on the days something changed. operationId: getProjectsByProjectIdTrend parameters: - name: projectId in: path required: true schema: type: string - name: window in: query required: false description: >- A named window ending today in the project's market, or custom with from and to. Default 30d. schema: description: >- A named window ending today in the project's market, or custom with from and to. Default 30d. type: string enum: - 7d - 30d - 90d - 180d - 365d - custom - name: from in: query required: false description: First day, inclusive. Required with window=custom. schema: description: First day, inclusive. Required with window=custom. type: string pattern: ^\d{4}-\d{2}-\d{2}$ - name: to in: query required: false description: Last day, inclusive. Required with window=custom. schema: description: Last day, inclusive. Required with window=custom. type: string pattern: ^\d{4}-\d{2}-\d{2}$ - name: segments in: query required: false description: >- One value: your-segments (the default, the segments you claimed), all-segments, or one segment id. schema: description: >- One value: your-segments (the default, the segments you claimed), all-segments, or one segment id. type: string minLength: 1 maxLength: 120 - name: engines in: query required: false description: Comma-separated engine keys, narrowing the project's own engines. schema: description: Comma-separated engine keys, narrowing the project's own engines. type: string minLength: 1 maxLength: 200 responses: '200': description: OK content: application/json: schema: type: object properties: project_id: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ description: The project asked about. scope: type: object propertyNames: type: string additionalProperties: {} description: >- What the numbers cover: the window and its dates, the engines, the segments, the prompts and answers counted, and a sentence saying so. Shown beside every figure. state: type: string enum: - empty - populated description: 'empty: no prompts in scope and no answers in the window.' trend: anyOf: - type: object properties: start: anyOf: - type: string pattern: ^\d{4}-\d{2}-\d{2}$ - type: 'null' interval: anyOf: - type: string const: day - type: 'null' unit: anyOf: - type: string const: percent - type: 'null' series: type: array items: type: object properties: label: type: - string - 'null' brand_id: type: - string - 'null' own: type: boolean values: type: array items: type: - number - 'null' description: >- One per day from start; null on a day with no answers. trailing_7d: type: array items: type: - number - 'null' description: >- Visibility over the seven days ending each day. required: - label - brand_id - own - values - trailing_7d additionalProperties: false markers: type: array items: type: object properties: date: anyOf: - type: string pattern: ^\d{4}-\d{2}-\d{2}$ - type: 'null' kind: anyOf: - type: string enum: - drift - publish - set_change - type: 'null' description: >- drift: the whole market moved; publish: you published a change; set_change: the prompts measured changed. required: - date - kind additionalProperties: false required: - start - interval - unit - series - markers additionalProperties: false - type: 'null' required: - project_id - scope - state - trend additionalProperties: false example: project_id: 00000000-0000-4000-8000-000000000001 scope: window: 30d from: '2026-10-09' to: '2026-11-07' engines: - chatgpt - google-ai-overview - perplexity segmentScope: claimed segments: - wms promptScope: category promptsInScope: 0 answers: 0 subtitle: >- 0 prompts in your segments · 0 answers in 30 days · branded prompts reported separately customPromptsExcluded: true state: empty trend: null '400': description: The request is invalid; `error.field` names the parameter. content: application/json: schema: $ref: '#/components/schemas/Error' '401': description: 'No live API key in an `Authorization: Bearer` header.' content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: The key lacks the scope named in the message, or cannot write. content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: No such resource in this key's projects. content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: Over the key's or the workspace's rate limit; see `Retry-After`. content: application/json: schema: $ref: '#/components/schemas/Error' '503': description: Busy or timed out; retry after `Retry-After`. content: application/json: schema: $ref: '#/components/schemas/Error' x-codeSamples: - lang: bash label: curl source: |- curl "https://api.citino.ai/v1/projects/{projectId}/trend" \ -H "Authorization: Bearer $CITINO_API_KEY" - lang: python label: Python source: |- import os import requests res = requests.get( "https://api.citino.ai/v1/projects/{projectId}/trend", headers={"Authorization": f"Bearer {os.environ['CITINO_API_KEY']}"}, ) print(res.json()) - lang: javascript label: JavaScript source: >- const res = await fetch("https://api.citino.ai/v1/projects/{projectId}/trend", { headers: { Authorization: `Bearer ${process.env.CITINO_API_KEY}`, }, }); console.log(await res.json()); components: schemas: Error: type: object required: - error properties: error: type: object required: - code - message properties: code: type: string description: >- validation, unauthorized, forbidden, not_found, conflict, plan_limit, rate_limited, busy, query_timeout message: type: string field: type: string detail: type: object securitySchemes: bearerAuth: type: http scheme: bearer description: >- An API key from Workspace settings → API keys, sent as `Authorization: Bearer `. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.