All Classes and Interfaces

Class	Description
AccountInfo	Account quota information returned by GET /account.
ApiConnectionException	Transport-level failure (DNS, TCP, TLS, etc.) — no HTTP response was received and the cause is not a timeout.
ApiException	Thrown when the API returns a non-2xx HTTP response.
ApiTimeoutException	The request did not receive a complete response within the configured timeout (no HTTP status was observed).
AuthenticationException	HTTP 403 — missing or invalid API key.
BadRequestException	HTTP 400 — malformed request.
Client	Official Java client for the WebScraping.AI API.
CommonOptions	Shared options applicable to every API endpoint.
CommonOptions.BaseBuilder<O,B>	Curiously-recurring base builder.
Config	Immutable configuration for a Client.
Config.Builder
FieldsOptions	Options for Client.fields(FieldsOptions).
FieldsOptions.Builder
FieldsResult	The /ai/fields response wraps the extracted fields under a result key — confirmed against the live API 2026-05-12.
GatewayTimeoutException	HTTP 504 — target page took too long to respond.
HtmlOptions	Options for Client.html(HtmlOptions).
HtmlOptions.Builder
JdkHttpTransport	Default Transport implementation backed by HttpClient from java.net.http.
Json	Centralised Jackson helpers.
PaymentRequiredException	HTTP 402 — account out of credits.
QueryEncoder
QuestionOptions	Options for Client.question(QuestionOptions).
QuestionOptions.Builder
RateLimitException	HTTP 429 — too many concurrent requests.
SelectedMultipleOptions	Options for Client.selectedMultiple(SelectedMultipleOptions).
SelectedMultipleOptions.Builder
SelectedMultipleResult	The /selected-multiple endpoint returns Array<Array<String>>, not a flat Array<String> — confirmed against the live API.
SelectedOptions	Options for Client.selected(SelectedOptions).
SelectedOptions.Builder
ServerException	HTTP 500 — server-side error (often a target-page failure surfaced via body).
TextOptions	Options for Client.text(TextOptions).
TextOptions.Builder
Transport	HTTP transport abstraction.
Transport.Request
Transport.Response
Version	Library version.
WebScrapingAIException	Base unchecked exception for everything thrown by the WebScraping.AI SDK.