Anchor Browser Tools API

openapi: 3.1.0
info:
  title: AnchorBrowser Agentic capabilities Tools API
  version: 1.0.0
  description: APIs to manage all browser-related actions and configuration.
servers:
- url: https://api.anchorbrowser.io
  description: API server
tags:
- name: Tools
paths:
  /v1/tools/fetch-webpage:
    post:
      summary: Get Webpage Content
      description: Retrieve the rendered content of a webpage in Markdown or HTML format. Text content is also extracted from PDFs.
      tags:
      - Tools
      security:
      - api_key_header: []
      parameters:
      - in: query
        name: sessionId
        schema:
          type: string
        description: An optional browser session identifier to reference an existing running browser session. If provided, the tool will execute within that browser session.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FetchWebpageRequestSchema'
      responses:
        '200':
          description: The fetched webpage content in the specified format.
          content:
            text/plain:
              schema:
                type: string
                description: The rendered content of the webpage.
        '400':
          description: Invalid request, such as missing or invalid URL.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error while processing the request.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/tools/fetch/webpage:
    post:
      summary: Web Unlocker
      description: 'Fetch fully-rendered page content from any URL — including bot-protected sites — without managing a browser session.

        Requests are routed through stealth browsers with residential proxies, captcha solving, and fingerprint randomization.

        No session is required. See the [Web Unlocker guide](/advanced/web-unlocker) for more details.

        '
      tags:
      - Tools
      security:
      - api_key_header: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WebUnlockerRequestSchema'
      responses:
        '200':
          description: Page content returned successfully.
          content:
            text/html:
              schema:
                type: string
                description: The rendered HTML content of the webpage.
        '400':
          description: Invalid request — check the URL and try again.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Could not reach the requested URL.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Rate limit exceeded.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Failed to fetch the requested page.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '504':
          description: The page took too long to load.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/tools/screenshot:
    post:
      summary: Screenshot Webpage
      description: This endpoint captures a screenshot of the specified webpage using Chromium. Users can customize the viewport dimensions and capture options.
      tags:
      - Tools
      security:
      - api_key_header: []
      parameters:
      - in: query
        name: sessionId
        schema:
          type: string
        description: An optional browser session identifier to reference an existing running browser sessions. When passed, the tool will be executed on the provided browser session.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ScreenshotRequestSchema'
      responses:
        '200':
          description: Screenshot successfully captured.
          content:
            image/png:
              schema:
                type: string
                format: binary
        '400':
          description: Invalid input parameters.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Failed to take screenshot.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /v1/tools/page-pdf:
    post:
      summary: Get Page PDF
      description: Generates a PDF of the current page for a browser session and returns it as a binary PDF file.
      tags:
      - Tools
      security:
      - api_key_header: []
      parameters:
      - in: query
        name: sessionId
        required: false
        schema:
          type: string
          format: uuid
        description: Optional browser session ID. If omitted, `url` in the request body is required.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - url
              properties:
                url:
                  type: string
                  format: uri
                  description: The URL of the page to print to PDF.
                landscape:
                  type: boolean
                  description: Paper orientation. Defaults to false.
                displayHeaderFooter:
                  type: boolean
                  description: Display header and footer. Defaults to false.
                printBackground:
                  type: boolean
                  description: Print background graphics. Defaults to false.
                scale:
                  type: number
                  minimum: 0.1
                  maximum: 2
                  description: Scale of the webpage rendering. Defaults to 1.
                paperWidth:
                  type: number
                  exclusiveMinimum: 0
                  description: Paper width in inches. Defaults to 8.5.
                paperHeight:
                  type: number
                  exclusiveMinimum: 0
                  description: Paper height in inches. Defaults to 11.
                marginTop:
                  type: number
                  minimum: 0
                  description: Top margin in inches. Defaults to ~0.4.
                marginBottom:
                  type: number
                  minimum: 0
                  description: Bottom margin in inches. Defaults to ~0.4.
                marginLeft:
                  type: number
                  minimum: 0
                  description: Left margin in inches. Defaults to ~0.4.
                marginRight:
                  type: number
                  minimum: 0
                  description: Right margin in inches. Defaults to ~0.4.
                pageRanges:
                  type: string
                  pattern: ^\d+(-\d+)?(,\s*\d+(-\d+)?)*$
                  description: Page ranges to print, e.g. '1-5, 8, 11-13'. Defaults to all pages.
                headerTemplate:
                  type: string
                  description: HTML template for the print header.
                footerTemplate:
                  type: string
                  description: HTML template for the print footer.
                preferCSSPageSize:
                  type: boolean
                  description: Prefer page size as defined by CSS. Defaults to false.
      responses:
        '200':
          description: PDF generated successfully
          content:
            application/pdf:
              schema:
                type: string
                format: binary
        '400':
          description: Invalid parameters
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  details:
                    type: array
                    items:
                      type: string
        '404':
          description: Session not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
        '500':
          description: Failed to generate PDF
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
components:
  schemas:
    ScreenshotRequestSchema:
      type: object
      properties:
        url:
          type: string
          description: The URL of the webpage to capture.
        width:
          type: integer
          description: The width of the browser viewport in pixels.
        height:
          type: integer
          description: The height of the browser viewport in pixels.
        image_quality:
          type: integer
          description: Quality of the output image, on the range 1-100. 100 will not perform any compression.
        wait:
          type: integer
          description: Duration in milliseconds to wait after page has loaded, mainly used for sites with JS animations.
        scroll_all_content:
          type: boolean
          description: If true, scrolls the page and captures all visible content.
        capture_full_height:
          type: boolean
          description: If true, captures the entire height of the page, ignoring the viewport height.
        s3_target_address:
          type: string
          description: Presigned S3 url target to upload the image to.
    WebUnlockerRequestSchema:
      type: object
      required:
      - url
      properties:
        url:
          type: string
          description: The fully-qualified URL to fetch (e.g. `https://www.linkedin.com/company/openai`).
    FetchWebpageRequestSchema:
      type: object
      properties:
        url:
          type: string
          description: The URL of the webpage or PDF to fetch content from. When left empty, the current webpage is used.
        format:
          type: string
          description: The output format of the content.
          enum:
          - html
          - markdown
        wait:
          type: integer
          description: The time to wait for **dynamic** content to load in **milliseconds**.
        new_page:
          type: boolean
          description: Whether to create a new page for the content.
        page_index:
          type: integer
          description: The index of the page to fetch content from. **Overides new_page**.
        return_partial_on_timeout:
          type: boolean
          description: Whether to return partial content if the content is not loaded within the 20 seconds.
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: integer
            message:
              type: string
  securitySchemes:
    api_key_header:
      type: apiKey
      in: header
      name: anchor-api-key
      description: API key passed in the header