---
title: "Start Browser Session"
method: POST
path: "/v1/sessions"
tags: ["Browser Sessions"]
---

# Start Browser Session

`POST /v1/sessions`

Allocates a new browser session for the user, with optional configurations for ad-blocking, captcha solving, proxy usage, and idle timeout.

## Request body

- SessionCreateRequestSchema
  - `session` SessionConfig — Session-related configurations.
    - `initial_url` string, uri — The URL to navigate to when the browser session starts. If not provided, the browser will load an empty page.
    - `recording` object — Configuration for session recording.
      - `active` boolean — Enable or disable video recording of the browser session. Defaults to `true`.
    - `proxy` union — Proxy Documentation available at [Proxy Documentation](/advanced/proxy)
      - object
        - `active` boolean, required
        - `type` union — **On change make sure to update the country_code.**
          - 'anchor_proxy' | 'anchor_residential' | 'anchor_mobile' | 'anchor_gov' — Create a session with a residential proxy to access websites as if you're browsing from a computer in that country.
          - 'anchor_proxy' | 'anchor_residential' | 'anchor_mobile' | 'anchor_gov' — Create a session with a mobile proxy to access websites as if you're browsing from a mobile device in that country.
          - 'anchor_proxy' | 'anchor_residential' | 'anchor_mobile' | 'anchor_gov' — Create your session with a residential proxy to access websites as if you're browsing from a computer in that country. This option reduces the chance of being blocked by governmental websites.
          - 'anchor_proxy' | 'anchor_residential' | 'anchor_mobile' | 'anchor_gov' — Create a session with a proxy to access websites as if you're browsing from a computer in that country.
        - `country_code` union — Supported country codes ISO 2 lowercase **On change make sure to update the Proxy type.**
          - 'af' | 'al' | 'dz' | 'ad' | 'ao' | 'as' | 'ag' | 'ar' | 'am' | 'aw' | 'au' | 'at' | 'az' | 'bs' | 'bh' | 'bb' | 'by' | 'be' | 'bz' | 'bj' | 'bm' | 'bo' | 'ba' | 'br' | 'bg' | 'bf' | 'cm' | 'ca' | 'cv' | 'td' | 'cl' | 'co' | 'cg' | 'cr' | 'ci' | 'hr' | 'cu' | 'cy' | 'cz' | 'dk' | 'dm' | 'do' | 'ec' | 'eg' | 'sv' | 'ee' | 'et' | 'fo' | 'fi' | 'fr' | 'gf' | 'pf' | 'ga' | 'gm' | 'ge' | 'de' | 'gh' | 'gi' | 'gr' | 'gd' | 'gp' | 'gt' | 'gg' | 'gn' | 'gw' | 'gy' | 'ht' | 'hn' | 'hu' | 'is' | 'in' | 'ir' | 'iq' | 'ie' | 'il' | 'it' | 'jm' | 'jp' | 'jo' | 'kz' | 'kw' | 'kg' | 'lv' | 'lb' | 'ly' | 'li' | 'lt' | 'lu' | 'mk' | 'ml' | 'mt' | 'mq' | 'mr' | 'mx' | 'md' | 'mc' | 'me' | 'ma' | 'nl' | 'nz' | 'ni' | 'ng' | 'no' | 'pk' | 'pa' | 'py' | 'pe' | 'ph' | 'pl' | 'pt' | 'pr' | 'qa' | 'ro' | 'lc' | 'sm' | 'sa' | 'sn' | 'rs' | 'sc' | 'sl' | 'sk' | 'si' | 'so' | 'za' | 'kr' | 'es' | 'sr' | 'se' | 'ch' | 'sy' | 'st' | 'tw' | 'tj' | 'tg' | 'tt' | 'tn' | 'tr' | 'tc' | 'ua' | 'ae' | 'us' | 'uy' | 'uz' | 've' | 'ye'
          - 'af' | 'al' | 'dz' | 'ad' | 'ao' | 'ag' | 'ar' | 'am' | 'aw' | 'au' | 'at' | 'az' | 'bs' | 'bh' | 'bd' | 'bb' | 'by' | 'be' | 'bz' | 'bj' | 'bm' | 'bo' | 'ba' | 'bw' | 'br' | 'bn' | 'bg' | 'bf' | 'bi' | 'kh' | 'cm' | 'ca' | 'cv' | 'td' | 'cl' | 'cn' | 'co' | 'cg' | 'cr' | 'ci' | 'hr' | 'cu' | 'cy' | 'cz' | 'dk' | 'dj' | 'dm' | 'do' | 'ec' | 'eg' | 'sv' | 'gq' | 'ee' | 'sz' | 'et' | 'fj' | 'fi' | 'fr' | 'pf' | 'ga' | 'gm' | 'ge' | 'de' | 'gh' | 'gr' | 'gd' | 'gt' | 'gn' | 'gy' | 'ht' | 'hn' | 'hk' | 'hu' | 'is' | 'in' | 'id' | 'ir' | 'iq' | 'ie' | 'il' | 'it' | 'jm' | 'jp' | 'jo' | 'kz' | 'ke' | 'kw' | 'kg' | 'la' | 'lv' | 'lb' | 'ls' | 'lr' | 'ly' | 'lt' | 'lu' | 'mk' | 'mg' | 'mw' | 'my' | 'mv' | 'ml' | 'mt' | 'mr' | 'mx' | 'md' | 'mn' | 'me' | 'ma' | 'mz' | 'mm' | 'na' | 'np' | 'nl' | 'nc' | 'nz' | 'ni' | 'ne' | 'ng' | 'no' | 'om' | 'pk' | 'pa' | 'pg' | 'py' | 'pe' | 'ph' | 'pl' | 'pt' | 'pr' | 'qa' | 'ro' | 'ru' | 'rw' | 'lc' | 'ws' | 'sm' | 'sa' | 'sn' | 'rs' | 'sl' | 'sg' | 'sk' | 'si' | 'so' | 'za' | 'kr' | 'ss' | 'es' | 'lk' | 'sd' | 'sr' | 'se' | 'ch' | 'sy' | 'st' | 'tw' | 'tj' | 'tz' | 'th' | 'tl' | 'tr' | 'tg' | 'tt' | 'tn' | 'tm' | 'ug' | 'ua' | 'gb' | 'us' | 'uy' | 'uz' | 'vu' | 've' | 'vn' | 'ye' | 'zm' | 'zw'
          - 'af' | 'al' | 'dz' | 'ao' | 'ag' | 'ar' | 'am' | 'au' | 'at' | 'az' | 'bs' | 'bh' | 'bd' | 'bb' | 'be' | 'bz' | 'bj' | 'bt' | 'bo' | 'ba' | 'bw' | 'br' | 'bg' | 'bf' | 'kh' | 'cm' | 'ca' | 'cv' | 'cl' | 'cn' | 'co' | 'cg' | 'ci' | 'hr' | 'cu' | 'cy' | 'cz' | 'dk' | 'do' | 'ec' | 'eg' | 'sv' | 'ee' | 'et' | 'fj' | 'fi' | 'fr' | 'ga' | 'gm' | 'ge' | 'de' | 'gh' | 'gr' | 'gt' | 'gw' | 'gy' | 'ht' | 'hn' | 'hu' | 'is' | 'in' | 'id' | 'iq' | 'ie' | 'il' | 'it' | 'jm' | 'jp' | 'jo' | 'kz' | 'ke' | 'kw' | 'kg' | 'la' | 'lv' | 'lb' | 'lr' | 'ly' | 'lt' | 'mk' | 'mw' | 'my' | 'mv' | 'ml' | 'mt' | 'mu' | 'mx' | 'md' | 'mn' | 'me' | 'ma' | 'mz' | 'np' | 'nl' | 'nc' | 'nz' | 'na' | 'ni' | 'ng' | 'no' | 'om' | 'pk' | 'pa' | 'py' | 'pe' | 'ph' | 'pl' | 'pt' | 'qa' | 'ro' | 'ru' | 'rw' | 'sa' | 'sn' | 'rs' | 'sl' | 'sg' | 'sk' | 'si' | 'za' | 'kr' | 'es' | 'lk' | 'sd' | 'se' | 'ch' | 'sy' | 'tw' | 'tj' | 'tz' | 'th' | 'tg' | 'tt' | 'tn' | 'tr' | 'ug' | 'ua' | 'ae' | 'gb' | 'us' | 'uy' | 'uz' | 've' | 'vn' | 'ye' | 'zm' | 'zw'
          - 'af' | 'al' | 'dz' | 'ad' | 'ao' | 'as' | 'ag' | 'ar' | 'am' | 'aw' | 'au' | 'at' | 'az' | 'bs' | 'bh' | 'bb' | 'by' | 'be' | 'bz' | 'bj' | 'bm' | 'bo' | 'ba' | 'br' | 'bg' | 'bf' | 'cm' | 'ca' | 'cv' | 'td' | 'cl' | 'co' | 'cg' | 'cr' | 'ci' | 'hr' | 'cu' | 'cy' | 'cz' | 'dk' | 'dm' | 'do' | 'ec' | 'eg' | 'sv' | 'ee' | 'et' | 'fo' | 'fi' | 'fr' | 'gf' | 'pf' | 'ga' | 'gm' | 'ge' | 'de' | 'gh' | 'gi' | 'gr' | 'gd' | 'gp' | 'gt' | 'gg' | 'gn' | 'gw' | 'gy' | 'ht' | 'hn' | 'hu' | 'is' | 'in' | 'ir' | 'iq' | 'ie' | 'il' | 'it' | 'jm' | 'jp' | 'jo' | 'kz' | 'kw' | 'kg' | 'lv' | 'lb' | 'ly' | 'li' | 'lt' | 'lu' | 'mk' | 'ml' | 'mt' | 'mq' | 'mr' | 'mx' | 'md' | 'mc' | 'me' | 'ma' | 'nl' | 'nz' | 'ni' | 'ng' | 'no' | 'pk' | 'pa' | 'py' | 'pe' | 'ph' | 'pl' | 'pt' | 'pr' | 'qa' | 'ro' | 'lc' | 'sm' | 'sa' | 'sn' | 'rs' | 'sc' | 'sl' | 'sk' | 'si' | 'so' | 'za' | 'kr' | 'es' | 'sr' | 'se' | 'ch' | 'sy' | 'st' | 'tw' | 'tj' | 'tg' | 'tt' | 'tn' | 'tr' | 'tc' | 'ua' | 'ae' | 'us' | 'uy' | 'uz' | 've' | 'ye'
        - `region` string — Region code for more specific geographic targeting. The city parameter can only be used when region is also provided.
        - `city` string — City name for precise geographic targeting. Supported for anchor_proxy only. Can only be used when region is also provided.
      - object
        - `type` 'custom', required
        - `server` string, required — Proxy server address
        - `username` string, required — Proxy username
        - `password` string, required — Proxy password
        - `active` boolean, required
    - `timeout` object — Timeout configurations for the browser session.
      - `max_duration` integer — Maximum amount of time (in minutes) for the browser to run before terminating. Defaults to `20`.
      - `idle_timeout` integer — The amount of time (in minutes) the browser session waits for new connections after all others are closed before stopping. Defaults to `5`.
    - `live_view` object — Configuration for live viewing the browser session.
      - `read_only` boolean — Enable or disable read-only mode for live viewing. Defaults to `false`.
  - `browser` BrowserConfig — Browser-specific configurations.
    - `profile` object — Options for managing and persisting browser session profiles.
      - `name` string — The name of the profile to be used during the browser session.
      - `persist` boolean — Indicates whether the browser session profile data should be saved when the browser session ends. Defaults to `false`.
    - `adblock` object — Configuration for ad-blocking.
      - `active` boolean — Enable or disable ad-blocking. Defaults to `true`.
    - `popup_blocker` object — Configuration for popup blocking.
      - `active` boolean — Blocks popups, including ads and CAPTCHA consent banners. Requires adblock to be active. Defaults to `true`.
    - `captcha_solver` object — Configuration for captcha-solving.
      - `active` boolean — Enable or disable captcha-solving. Requires proxy to be active. Defaults to `false`.
    - `headless` object — Configuration for headless mode.
      - `active` boolean — Whether browser should be headless or headful. Defaults to `false`.
    - `viewport` object — Configuration for the browser's viewport size.
      - `width` integer — Width of the viewport in pixels. Defaults to `1440`.
      - `height` integer — Height of the viewport in pixels. Defaults to `900`.
    - `fullscreen` object — Configuration for fullscreen mode.
      - `active` boolean — Enable or disable fullscreen mode. When enabled, the browser will start in fullscreen mode. Defaults to `false`.
    - `p2p_download` object — Configuration for peer-to-peer download capture functionality.
      - `active` boolean — Enable or disable P2P downloads. When enabled, the browser will capture downloads for direct data extraction, instead of uploading them on Anchor's storage. Defaults to `false`.
    - `extensions` string[] — Array of extension IDs to load in the browser session. Extensions must be previously uploaded using the Extensions API.
    - `disable_web_security` object — Configuration for disabling web security features.
      - `active` boolean — Whether to disable web security features (CORS, same-origin policy, etc.). Allows accessing iframes and resources from different origins. Defaults to `false`.
    - `extra_stealth` object — Configuration for extra stealth mode to enhance browser fingerprinting protection.
      - `active` boolean — Enable or disable extra stealth mode.
  - `integrations` Integration[] — Array of integrations to load in the browser session. Integrations must be previously created using the Integrations API.
    - `id` string, uuid, required — Unique integration ID
    - `type` '1PASSWORD', required — Integration type
    - `configuration` union, required
      - OnePasswordAllSecretsConfig
        - `load_mode` 'all', required — Load all secrets from 1Password
      - OnePasswordSpecificSecretsConfig
        - `load_mode` 'specific', required — Load specific secrets from 1Password
        - `secrets` string[], required — Array of secret references to load
  - `identities` object[] — Activates an authenticated session. **Beta** Capability. [Contact support](mailto:support@anchorbrowser.io) to enable.
    - `id` string — The identity ID to use for the browser session.

## Response `200`

Successfully returned a browser object

- SessionCreateResponseSchema
  - `data` object
    - `id` string — Unique identifier for the browser session
    - `cdp_url` string — The CDP websocket connection string
    - `live_view_url` string — The browser session live view url

## Other responses

- `400` — Bad Request - Invalid request parameters or configuration.
- `402` — Payment Required - Insufficient credits to allocate a new browser

## Changes

- **2026-01-02** `4b12d8cb611b` — 1 info
  - added the new optional request property `identities`
- **2025-10-20** `6a9e96b1b105` — 1 info
  - added the new optional request property `browser/extra_stealth`
- **2025-10-19** `55bf5b5cbe75` — 1 info
  - added the new optional request property `integrations`
- **2025-10-16** `b7fe7610c0ce` — 1 warning, 8 info
  - removed the request property `browser/profile/reset_preferences`
  - the `` request property default value `us` was added
  - the `` request property default value `us` was added
  - the `` request property default value `us` was added
  - …5 more

[Change history](https://skmtc.dev/anchorbrowser/apis/anchorbrowser-api/changes/v1/sessions/post.md)

---

[API](https://skmtc.dev/anchorbrowser/apis/anchorbrowser-api.md) · [All operations](https://skmtc.dev/anchorbrowser/apis/anchorbrowser-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/anchorbrowser/anchorbrowser-api/revisions/8f77fa55fe1f/schema)