API Reference

Browser Rendering

Json

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Get json.

POST/accounts/{account_id}/browser-rendering/json

Gets json from a webpage from a provided URL or HTML. Pass prompt or schema in the body. Control page loading with gotoOptions and waitFor* options.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

Accepted Permissions (at least one required)

Browser Rendering Write

Path ParametersExpand Collapse

account_id: string

Account ID.

Query ParametersExpand Collapse

cacheTTL: optional number

Cache TTL default is 5s. Set to 0 to disable.

maximum86400

Body ParametersJSONExpand Collapse

body: object { html, actionTimeout, addScriptTag, 19 more } or object { url, actionTimeout, addScriptTag, 19 more }

One of the following:

object { html, actionTimeout, addScriptTag, 19 more }

html: string

Set the content of the page, eg: <h1>Hello World!!</h1>. Either html or url must be set.

minLength1

actionTimeout: optional number

The maximum duration allowed for the browser action to complete after the page has loaded (such as taking screenshots, extracting content, or generating PDFs). If this time limit is exceeded, the action stops and returns a timeout error.

maximum120000

addScriptTag: optional array of object { id, content, type, url }

Adds a <script> tag into the page with the desired URL or content.

id: optional string

content: optional string

type: optional string

url: optional string

addStyleTag: optional array of object { content, url }

Adds a <link rel="stylesheet"> tag into the page with the desired URL or a <style type="text/css"> tag with the content.

content: optional string

url: optional string

allowRequestPattern: optional array of string

Only allow requests that match the provided regex patterns, eg. '/^.*.(css)'.

allowResourceTypes: optional array of "document" or "stylesheet" or "image" or 15 more

Only allow requests that match the provided resource types, eg. 'image' or 'script'.

One of the following:

"document"

"stylesheet"

"image"

"media"

"font"

"script"

"texttrack"

"xhr"

"fetch"

"prefetch"

"eventsource"

"websocket"

"manifest"

"signedexchange"

"ping"

"cspviolationreport"

"preflight"

"other"

authenticate: optional object { password, username }

Provide credentials for HTTP authentication.

password: string

minLength1

username: string

minLength1

bestAttempt: optional boolean

Attempt to proceed when 'awaited' events fail or timeout.

cookies: optional array of object { name, value, domain, 11 more }

Check options.

name: string

Cookie name.

value: string

domain: optional string

expires: optional number

httpOnly: optional boolean

partitionKey: optional string

path: optional string

priority: optional "Low" or "Medium" or "High"

One of the following:

"Low"

"Medium"

"High"

sameParty: optional boolean

sameSite: optional "Strict" or "Lax" or "None"

One of the following:

"Strict"

"Lax"

"None"

secure: optional boolean

sourcePort: optional number

sourceScheme: optional "Unset" or "NonSecure" or "Secure"

One of the following:

"Unset"

"NonSecure"

"Secure"

url: optional string

custom_ai: optional array of object { authorization, model }

Optional list of custom AI models to use for the request. The models will be tried in the order provided, and in case a model returns an error, the next one will be used as fallback.

authorization: string

Authorization token for the AI model: Bearer <token>.

model: string

AI model to use for the request. Must be formed as <provider>/<model_name>, e.g. workers-ai/@cf/meta/llama-3.3-70b-instruct-fp8-fast.

emulateMediaType: optional string

gotoOptions: optional object { referer, referrerPolicy, timeout, waitUntil }

Check options.

referer: optional string

referrerPolicy: optional string

timeout: optional number

maximum60000

waitUntil: optional "load" or "domcontentloaded" or "networkidle0" or "networkidle2" or array of "load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load"

"domcontentloaded"

"networkidle0"

"networkidle2"

array of "load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load"

"domcontentloaded"

"networkidle0"

"networkidle2"

prompt: optional string

rejectRequestPattern: optional array of string

Block undesired requests that match the provided regex patterns, eg. '/^.*.(css)'.

rejectResourceTypes: optional array of "document" or "stylesheet" or "image" or 15 more

Block undesired requests that match the provided resource types, eg. 'image' or 'script'.

One of the following:

"document"

"stylesheet"

"image"

"media"

"font"

"script"

"texttrack"

"xhr"

"fetch"

"prefetch"

"eventsource"

"websocket"

"manifest"

"signedexchange"

"ping"

"cspviolationreport"

"preflight"

"other"

response_format: optional object { type, json_schema }

type: string

json_schema: optional map[string or number or boolean or 2 more]

Schema for the response format. More information here: https://developers.cloudflare.com/workers-ai/json-mode/.

One of the following:

string

number

boolean

unknown

array of string

setExtraHTTPHeaders: optional map[string]

setJavaScriptEnabled: optional boolean

userAgent: optional string

viewport: optional object { height, width, deviceScaleFactor, 3 more }

Check options.

height: number

width: number

deviceScaleFactor: optional number

hasTouch: optional boolean

isLandscape: optional boolean

isMobile: optional boolean

waitForSelector: optional object { selector, hidden, timeout, visible }

Wait for the selector to appear in page. Check options.

selector: string

hidden: optional true

timeout: optional number

maximum120000

visible: optional true

waitForTimeout: optional number

Waits for a specified timeout before continuing.

maximum120000

object { url, actionTimeout, addScriptTag, 19 more }

url: string

URL to navigate to, eg. https://example.com.

formaturi

actionTimeout: optional number

The maximum duration allowed for the browser action to complete after the page has loaded (such as taking screenshots, extracting content, or generating PDFs). If this time limit is exceeded, the action stops and returns a timeout error.

maximum120000

addScriptTag: optional array of object { id, content, type, url }

Adds a <script> tag into the page with the desired URL or content.

id: optional string

content: optional string

type: optional string

url: optional string

addStyleTag: optional array of object { content, url }

Adds a <link rel="stylesheet"> tag into the page with the desired URL or a <style type="text/css"> tag with the content.

content: optional string

url: optional string

allowRequestPattern: optional array of string

Only allow requests that match the provided regex patterns, eg. '/^.*.(css)'.

allowResourceTypes: optional array of "document" or "stylesheet" or "image" or 15 more

Only allow requests that match the provided resource types, eg. 'image' or 'script'.

One of the following:

"document"

"stylesheet"

"image"

"media"

"font"

"script"

"texttrack"

"xhr"

"fetch"

"prefetch"

"eventsource"

"websocket"

"manifest"

"signedexchange"

"ping"

"cspviolationreport"

"preflight"

"other"

authenticate: optional object { password, username }

Provide credentials for HTTP authentication.

password: string

minLength1

username: string

minLength1

bestAttempt: optional boolean

Attempt to proceed when 'awaited' events fail or timeout.

cookies: optional array of object { name, value, domain, 11 more }

Check options.

name: string

Cookie name.

value: string

domain: optional string

expires: optional number

httpOnly: optional boolean

partitionKey: optional string

path: optional string

priority: optional "Low" or "Medium" or "High"

One of the following:

"Low"

"Medium"

"High"

sameParty: optional boolean

sameSite: optional "Strict" or "Lax" or "None"

One of the following:

"Strict"

"Lax"

"None"

secure: optional boolean

sourcePort: optional number

sourceScheme: optional "Unset" or "NonSecure" or "Secure"

One of the following:

"Unset"

"NonSecure"

"Secure"

url: optional string

custom_ai: optional array of object { authorization, model }

Optional list of custom AI models to use for the request. The models will be tried in the order provided, and in case a model returns an error, the next one will be used as fallback.

authorization: string

Authorization token for the AI model: Bearer <token>.

model: string

AI model to use for the request. Must be formed as <provider>/<model_name>, e.g. workers-ai/@cf/meta/llama-3.3-70b-instruct-fp8-fast.

emulateMediaType: optional string

gotoOptions: optional object { referer, referrerPolicy, timeout, waitUntil }

Check options.

referer: optional string

referrerPolicy: optional string

timeout: optional number

maximum60000

waitUntil: optional "load" or "domcontentloaded" or "networkidle0" or "networkidle2" or array of "load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load"

"domcontentloaded"

"networkidle0"

"networkidle2"

array of "load" or "domcontentloaded" or "networkidle0" or "networkidle2"

One of the following:

"load"

"domcontentloaded"

"networkidle0"

"networkidle2"

prompt: optional string

rejectRequestPattern: optional array of string

Block undesired requests that match the provided regex patterns, eg. '/^.*.(css)'.

rejectResourceTypes: optional array of "document" or "stylesheet" or "image" or 15 more

Block undesired requests that match the provided resource types, eg. 'image' or 'script'.

One of the following:

"document"

"stylesheet"

"image"

"media"

"font"

"script"

"texttrack"

"xhr"

"fetch"

"prefetch"

"eventsource"

"websocket"

"manifest"

"signedexchange"

"ping"

"cspviolationreport"

"preflight"

"other"

response_format: optional object { type, json_schema }

type: string

json_schema: optional map[string or number or boolean or 2 more]

Schema for the response format. More information here: https://developers.cloudflare.com/workers-ai/json-mode/.

One of the following:

string

number

boolean

unknown

array of string

setExtraHTTPHeaders: optional map[string]

setJavaScriptEnabled: optional boolean

userAgent: optional string

viewport: optional object { height, width, deviceScaleFactor, 3 more }

Check options.

height: number

width: number

deviceScaleFactor: optional number

hasTouch: optional boolean

isLandscape: optional boolean

isMobile: optional boolean

waitForSelector: optional object { selector, hidden, timeout, visible }

Wait for the selector to appear in page. Check options.

selector: string

hidden: optional true

timeout: optional number

maximum120000

visible: optional true

waitForTimeout: optional number

Waits for a specified timeout before continuing.

maximum120000

ReturnsExpand Collapse

result: map[unknown]

success: boolean

Response status.

errors: optional array of object { code, message }

code: number

Error code.

message: string

Error message.

Get json.

HTTP

HTTP

TypeScript

Python

Go

Terraform

curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/browser-rendering/json \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{
          "html": "<h1>Hello World!</h1>"
        }'

200 example

429 example

{
  "result": {
    "foo": {}
  },
  "success": true,
  "errors": [
    {
      "code": 0,
      "message": "message"
    }
  ]
}

{
  "errors": [
    {
      "code": 2001,
      "message": "Rate limit exceeded"
    }
  ],
  "success": false
}

Returns Examples

200 example

429 example

{
  "result": {
    "foo": {}
  },
  "success": true,
  "errors": [
    {
      "code": 0,
      "message": "message"
    }
  ]
}

{
  "errors": [
    {
      "code": 2001,
      "message": "Rate limit exceeded"
    }
  ],
  "success": false
}