Ballerina library (API) documentation

The lang.array module corresponds to the list basic type.

The lang.boolean module corresponds to the boolean basic type.

The lang.decimal module corresponds to the decimal basic type.

The lang.error module corresponds to the error basic type.

The lang.float module corresponds to the float basic type.

The lang.function module corresponds to the function basic type.

The lang.future module corresponds to the future basic type.

The lang.int module corresponds to the int basic type.

The lang.map module corresponds to the mapping basic type.

The lang.object module corresponds to the object basic type.

The lang.runtime module provides functions related to the language runtime that are not specific to a particular basic type.

The lang.stream module corresponds to the stream basic type.

The lang.string module corresponds to the string basic type.

The lang.table module corresponds to the table basic type.

The lang.transaction module supports transactions.

The lang.typedesc module corresponds to the typedesc basic type.

The lang.value module provides functions that work on values of more than one basic type.

The lang.xml module corresponds to the xml basic type.

This module provides a framework for authentication/authorization based on the Basic Authentication scheme specified in RFC 7617.

This module provides APIs for in-memory caching by using a semi-persistent mapping from keys to values.

This module provides the capabilities to generate cloud artifacts for Ballerina programs.

This module provides features to validate the values that have been assigned to Ballerina types.

This module provides common cryptographic mechanisms based on different algorithms.

This module provides APIs to perform email operations such as sending and reading emails using the SMTP, POP3, and IMAP4 protocols.

This module provides APIs to create, delete, rename the file/directory, retrieve metadata of the given file, and manipulate the file paths in a way that is compatible with the operating system, and a Directory Listener, which is used to listen to the file changes in a directory in the local file system.

This module provides an FTP/SFTP client and an FTP/SFTP server listener implementation to facilitate an FTP/SFTP connection connected to a remote location.

This module provides APIs for connecting and interacting with GraphQL endpoints.

This module provides APIs for connecting and interacting with gRPC endpoints.

This module provides APIs for connecting and interacting with HTTP and HTTP2 endpoints.

This module provides file read/write APIs and console print/read APIs.

This module provides library operations required for Java interoperability in Ballerina.

This module provides APIs to create new Java array instances, get elements from arrays, set elements, etc.

This module provides a framework for authentication/authorization with JWTs and generation/validation of JWTs as specified in the RFC 7519, RFC 7515, and RFC 7517.

This module provides APIs to log information when running applications.

This module provides a set of APIs to work with messages, which follow the Multipurpose Internet Mail Extensions (MIME) specification as specified in the RFC 2045 standard.

This module provides a framework for interacting with OAuth2 authorization servers as specified in the RFC 6749 and RFC 7662.

This module provides an API for observing Ballerina services.

This module provides the Ballerina OpenAPI tooling, which will make it easy to start the development of a service documented in an OpenAPI contract in Ballerina by generating the Ballerina service and client skeletons.

This module provides APIs to retrieve information about the environment variables and the current users of the Operating System.

This module provides APIs to represent a set of pre-defined protobuf types.

This module provides APIs to generate pseudo-random numbers.

This module provides APIs for searching, splitting, and replacing the set of characters of a string.

This module provides APIs for serializing and deserializing subtypes of Ballerina anydata type.

This module provides the generic interface and functionality to interact with an SQL database.

This module provides APIs to schedule a Ballerina job either once or periodically and to manage the execution of those jobs.

This module provides APIs for sending/receiving messages to/from another application process (local or remote) over the connection-oriented TCP protocol.

This module facilitates writing tests for Ballerina code in a simple manner.

This module provides a set of APIs that have the capabilities to generate and manipulate UTC and localized time.

This module provides the Ballerina transaction manager implementation.

This module provides APIs for sending/receiving datagrams to/from another application process (local or remote) using UDP.

This module provides the URL encoding/decoding functions.

This module provides APIs to generate and inspect UUIDs (Universally Unique Identifiers).

This module provides APIs for connecting and interacting with WebSocket endpoints.

This module provides APIs for a WebSub Subscriber Service.

This module provides APIs for a WebSub Hub service and WebSub Publisher client.

This module provides APIs to perform conversions between XML and JSON/Ballerina records.

This module provides an API to transform XML content to another XML/HTML/plain text format using XSL transformations.