Chatsax API Key
AuthorizationConnect your key to run requests with your assigned limits.
Browser Engine (Quality/Speed)
X-EngineChoose how the target page is fetched and rendered.
Content Format
X-Return-FormatSelect the format that best fits your downstream workflow.
JSON Response
AcceptInclude the title, source URL, content and metadata.
Timeout (seconds)
X-TimeoutMaximum page-load wait. Enable to set a custom limit.
Token Budget
X-Token-BudgetStop the request if its token budget is exceeded.
Use ReaderLM-v2
X-Respond-WithModel-based extraction for complex pages. Uses more tokens.
Extract Only (CSS Selector)
X-Target-SelectorFor example: article, .main-content, #post-body.
Wait For (CSS Selector)
X-Wait-For-SelectorWait for content that is added by JavaScript.
Exclude (CSS Selector)
X-Remove-SelectorRemove navigation, advertisements or other unwanted elements.
Remove All Images
X-Retain-ImagesOmit image references from the extracted output.
OpenAI Citation Format
X-Retain-LinksUse citation markers for compatible web agents.
Links Summary Section
X-With-Links-SummaryAdd a navigable list of links after the content.
Images Summary Section
X-With-Images-SummaryCollect image references in a separate section.
Browser Viewport Size
viewportSet the viewport width and height. Requires POST.
Forward Cookie
X-Set-CookieSend a cookie to the target page. Do not share request examples containing credentials.
Image Caption
X-With-Generated-AltGenerate descriptions for images without alt text.
Use a Proxy Server
X-Proxy-UrlOptional public HTTP(S) proxy URL.
Use a Country-Specific Proxy Server
X-ProxyA two-letter country code, or auto.
Bypass Cached Content
X-No-CacheFetch the latest page instead of a cached copy.
Cache Tolerance (seconds)
X-Cache-ToleranceMaximum age of an acceptable cached response.
Page Ready Timing
X-Respond-TimingChoose when extraction should begin.
Custom User-Agent
X-User-AgentOverride the browser user agent used at the target.
Custom Referer
X-RefererSet the referring URL seen by the target website.
Preserve Base64 Images
X-Keep-Img-Data-UrlKeep inline image data URLs in the output.
Do Not Cache or Track
DNTAsk the upstream service not to cache this content.
GitHub Flavored Markdown
X-No-GfmControl extensions such as tables and task lists.
Stream Mode
AcceptReceive results incrementally through server-sent events.
Customize Browser Locale
X-LocaleFor example: en-US or zh-CN.
Respect robots.txt
X-Robots-TxtName of the crawler whose rules should be checked.
Include iframe Content
X-With-IframeExtract text from embedded frames.
Include Shadow DOM
X-With-Shadow-DomRead content inside web components.
Use Final URL as Base
X-BaseResolve relative links against the final page URL.
Run JavaScript Before Extraction
injectPageScriptJavaScript evaluated on the target page before extraction. Requires POST.
Heading Style
X-Md-Heading-StyleSelect Markdown heading syntax.
Horizontal Rule Style
X-Md-HrMarkdown characters for horizontal rules.
Bullet Point Style
X-Md-Bullet-List-MarkerCharacter used to begin list items.
Emphasis Style
X-Md-Em-DelimiterDelimiter for emphasized text.
Strong Emphasis Style
X-Md-Strong-DelimiterDelimiter for bold text.
Link Style
X-Md-Link-StyleInline or reference-style Markdown links.
EU Residency
X-Chatsax-RegionUse the upstream experimental EU processing endpoint.
Local PDF/HTML file
POSTUpload a PDF or HTML file up to 5 MiB. HTML uses the URL as its base.
curl 'https://chatsax.com/r/' \ -H "Authorization: Bearer $CHATSAX_API_KEY"
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