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# NAME

API::Client

# ABSTRACT

HTTP API Thin-Client Abstraction

# SYNOPSIS

    package main;

    use API::Client;

    my $client = API::Client->new(url => 'https://httpbin.org');

    # $client->resource('post');

    # $client->update(json => {...});

# DESCRIPTION

This package provides an abstraction and method for rapidly developing HTTP API
clients. While this module can be used to interact with APIs directly,
API::Client was designed to be consumed (subclassed) by higher-level
purpose-specific API clients.

# THIN CLIENT

The thin API client library is advantageous as it has complete API coverage and
can easily adapt to changes in the API with minimal effort. As a thin-client
superclass, this module does not map specific HTTP requests to specific
routines, nor does it provide parameter validation, pagination, or other
conventions found in typical API client implementations; Instead, it simply
provides a simple and consistent mechanism for dynamically generating HTTP
requests.  Additionally, this module has support for debugging and retrying API
calls as well as throwing exceptions when 4xx and 5xx server response codes are
returned.

# INTEGRATES

This package integrates behaviors from:

[Data::Object::Role::Buildable](https://metacpan.org/pod/Data::Object::Role::Buildable)

[Data::Object::Role::Stashable](https://metacpan.org/pod/Data::Object::Role::Stashable)

[Data::Object::Role::Throwable](https://metacpan.org/pod/Data::Object::Role::Throwable)

# LIBRARIES

This package uses type constraints from:

[Types::Standard](https://metacpan.org/pod/Types::Standard)

# SCENARIOS

This package supports the following scenarios:

## building

    # given: synopsis

    my $resource = $client->resource('get');

    # GET /get
    my $get = $client->resource('get')->dispatch;

    # HEAD /head
    my $head = $client->resource('head')->dispatch(
      method => 'head'
    );

    # PATCH /patch
    my $patch = $client->resource('patch')->dispatch(
      method => 'patch'
    );

    [$get, $head, $patch]

Building up an HTTP request is extremely easy, simply call the ["resource"](#resource) to
create a new object instance representing the API endpoint you wish to issue a
request against.

## chaining

    # given: synopsis

    # https://httpbin.org/users
    my $users = $client->resource('users');