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pdfgeneratorapi/php-client
==========================

\# Introduction \[PDF Generator API\](https://pdfgeneratorapi.com) allows you easily generate transactional PDF documents and reduce the development and support costs by enabling your users to create and manage their document templates using a browser-based drag-and-drop document editor. The PDF Generator API features a web API architecture, allowing you to code in the language of your choice. This API supports the JSON media type, and uses UTF-8 character encoding. ## Base URL The base URL for all the API endpoints is `https://us1.pdfgeneratorapi.com/api/v4` For example \* `https://us1.pdfgeneratorapi.com/api/v4/templates` \* `https://us1.pdfgeneratorapi.com/api/v4/workspaces` \* `https://us1.pdfgeneratorapi.com/api/v4/templates/123123` ## Editor PDF Generator API comes with a powerful drag &amp; drop editor that allows to create any kind of document templates, from barcode labels to invoices, quotes and reports. You can find tutorials and videos from our \[Support Portal\](https://support.pdfgeneratorapi.com). \* \[Component specification\](https://support.pdfgeneratorapi.com/en/category/components-1ffseaj/) \* \[Expression Language documentation\](https://support.pdfgeneratorapi.com/en/category/expression-language-q203pa/) \* \[Frequently asked questions and answers\](https://support.pdfgeneratorapi.com/en/category/qanda-1ov519d/) ## Definitions ### Organization Organization is a group of workspaces owned by your account. ### Workspace Workspace contains templates. Each workspace has access to their own templates and organization default templates. ### Master Workspace Master Workspace is the main/default workspace of your Organization. The Master Workspace identifier is the email you signed up with. ### Default Template Default template is a template that is available for all workspaces by default. You can set the template access type under Page Setup. If template has "Organization" access then your users can use them from the "New" menu in the Editor. ### Data Field Data Field is a placeholder for the specific data in your JSON data set. In this example JSON you can access the buyer name using Data Field `{paymentDetails::buyerName}`. The separator between depth levels is :: (two colons). When designing the template you don’t have to know every Data Field, our editor automatically extracts all the available fields from your data set and provides an easy way to insert them into the template. ``` { "documentNumber": 1, "paymentDetails": { "method": "Credit Card", "buyerName": "John Smith" }, "items": \[ { "id": 1, "name": "Item one" } \] } ``` ## Rate limiting Our API endpoints use IP-based rate limiting and allow you to make up to 2 requests per second and 60 requests per minute. If you make more requests, you will receive a response with HTTP code 429. Response headers contain additional values: | Header | Description | |--------|--------------------------------| | X-RateLimit-Limit | Maximum requests per minute | | X-RateLimit-Remaining | The requests remaining in the current minute | | Retry-After | How many seconds you need to wait until you are allowed to make requests | \* \* \* \* \* # Libraries and SDKs ## Postman Collection We have created a \[Postman Collection\](https://www.postman.com/pdfgeneratorapi/workspace/pdf-generator-api-public-workspace/overview) so you can easily test all the API endpoints without developing and code. You can download the collection \[here\](https://www.postman.com/pdfgeneratorapi/workspace/pdf-generator-api-public-workspace/collection/11578263-42fed446-af7e-4266-84e1-69e8c1752e93). ## Client Libraries All our Client Libraries are auto-generated using \[OpenAPI Generator\](https://openapi-generator.tech/) which uses the OpenAPI v3 specification to automatically generate a client library in specific programming language. \* \[PHP Client\](https://github.com/pdfgeneratorapi/php-client) \* \[Java Client\](https://github.com/pdfgeneratorapi/java-client) \* \[Ruby Client\](https://github.com/pdfgeneratorapi/ruby-client) \* \[Python Client\](https://github.com/pdfgeneratorapi/python-client) \* \[Javascript Client\](https://github.com/pdfgeneratorapi/javascript-client) We have validated the generated libraries, but let us know if you find any anomalies in the client code. \* \* \* \* \* # Authentication The PDF Generator API uses \_\_JSON Web Tokens (JWT)\_\_ to authenticate all API requests. These tokens offer a method to establish secure server-to-server authentication by transferring a compact JSON object with a signed payload of your account’s API Key and Secret. When authenticating to the PDF Generator API, a JWT should be generated uniquely by a \_\_server-side application\_\_ and included as a \_\_Bearer Token\_\_ in the header of each request. &lt;SecurityDefinitions /&gt; ## Accessing your API Key and Secret You can find your \_\_API Key\_\_ and \_\_API Secret\_\_ from the \_\_Account Settings\_\_ page after you login to PDF Generator API \[here\](https://pdfgeneratorapi.com/login). ## Creating a JWT JSON Web Tokens are composed of three sections: a header, a payload (containing a claim set), and a signature. The header and payload are JSON objects, which are serialized to UTF-8 bytes, then encoded using base64url encoding. The JWT's header, payload, and signature are concatenated with periods (.). As a result, a JWT typically takes the following form: ``` {Base64url encoded header}.{Base64url encoded payload}.{Base64url encoded signature} ``` We recommend and support libraries provided on \[jwt.io\](https://jwt.io/). While other libraries can create JWT, these recommended libraries are the most robust. ### Header Property `alg` defines which signing algorithm is being used. PDF Generator API users HS256. Property `typ` defines the type of token and it is always JWT. ``` { "alg": "HS256", "typ": "JWT" } ``` ### Payload The second part of the token is the payload, which contains the claims or the pieces of information being passed about the user and any metadata required. It is mandatory to specify the following claims: \* issuer (`iss`): Your API key \* subject (`sub`): Workspace identifier \* expiration time (`exp`): Timestamp (unix epoch time) until the token is valid. It is highly recommended to set the exp timestamp for a short period, i.e. a matter of seconds. This way, if a token is intercepted or shared, the token will only be valid for a short period of time. ``` { "iss": "ad54aaff89ffdfeff178bb8a8f359b29fcb20edb56250b9f584aa2cb0162ed4a", "sub": "demo.example@actualreports.com", "exp": 1586112639 } ``` ### Payload for Partners Our partners can send their unique identifier (provided by us) in JWT's partner\_id claim. If the `partner\_id` value is specified in the JWT, the organization making the request is automatically connected to the partner account. \* Partner ID (`partner\_id`): Unique identifier provide by PDF Generator API team ``` { "iss": "ad54aaff89ffdfeff178bb8a8f359b29fcb20edb56250b9f584aa2cb0162ed4a", "sub": "demo.example@actualreports.com", "partner\_id": "my-partner-identifier", "exp": 1586112639 } ``` ### Signature To create the signature part you have to take the encoded header, the encoded payload, a secret, the algorithm specified in the header, and sign that. The signature is used to verify the message wasn't changed along the way, and, in the case of tokens signed with a private key, it can also verify that the sender of the JWT is who it says it is. ``` HMACSHA256( base64UrlEncode(header) + "." + base64UrlEncode(payload), API\_SECRET) ``` ### Putting all together The output is three Base64-URL strings separated by dots. The following shows a JWT that has the previous header and payload encoded, and it is signed with a secret. ``` eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJhZDU0YWFmZjg5ZmZkZmVmZjE3OGJiOGE4ZjM1OWIyOWZjYjIwZWRiNTYyNTBiOWY1ODRhYTJjYjAxNjJlZDRhIiwic3ViIjoiZGVtby5leGFtcGxlQGFjdHVhbHJlcG9ydHMuY29tIn0.SxO-H7UYYYsclS8RGWO1qf0z1cB1m73wF9FLl9RCc1Q // Base64 encoded header: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9 // Base64 encoded payload: eyJpc3MiOiJhZDU0YWFmZjg5ZmZkZmVmZjE3OGJiOGE4ZjM1OWIyOWZjYjIwZWRiNTYyNTBiOWY1ODRhYTJjYjAxNjJlZDRhIiwic3ViIjoiZGVtby5leGFtcGxlQGFjdHVhbHJlcG9ydHMuY29tIn0 // Signature: SxO-H7UYYYsclS8RGWO1qf0z1cB1m73wF9FLl9RCc1Q ``` ## Temporary JWTs You can create a temporary token in \[Account Settings\](https://pdfgeneratorapi.com/account/organization) page after you login to PDF Generator API. The generated token uses your email address as the subject (`sub`) value and is valid for \_\_15 minutes\_\_. You can also use \[jwt.io\](https://jwt.io/) to generate test tokens for your API calls. These test tokens should never be used in production applications. \* \* \* \* \* # Error codes | Code | Description | |--------|--------------------------------| | 401 | Unauthorized | | 402 | Payment Required | | 403 | Forbidden | | 404 | Not Found | | 422 | Unprocessable Entity | | 429 | Too Many Requests | | 500 | Internal Server Error | ## 401 Unauthorized | Description | |-------------------------------------------------------------------------| | Authentication failed: request expired | | Authentication failed: workspace missing | | Authentication failed: key missing | | Authentication failed: property 'iss' (issuer) missing in JWT | | Authentication failed: property 'sub' (subject) missing in JWT | | Authentication failed: property 'exp' (expiration time) missing in JWT | | Authentication failed: incorrect signature | ## 402 Payment Required | Description | |-------------------------------------------------------------------------| | Your account is suspended, please upgrade your account | ## 403 Forbidden | Description | |-------------------------------------------------------------------------| | Your account has exceeded the monthly document generation limit. | | Access not granted: You cannot delete master workspace via API | | Access not granted: Template is not accessible by this organization | | Your session has expired, please close and reopen the editor. | ## 404 Entity not found | Description | |-------------------------------------------------------------------------| | Entity not found | | Resource not found | | None of the templates is available for the workspace. | ## 422 Unprocessable Entity | Description | |-------------------------------------------------------------------------| | Unable to parse JSON, please check formatting | | Required parameter missing | | Required parameter missing: template definition not defined | | Required parameter missing: template not defined | ## 429 Too Many Requests | Description | |-------------------------------------------------------------------------| | You can make up to 2 requests per second and 60 requests per minute. | \* \* \* \* \*

6.0.0(10mo ago)5219.8k↓18%4[3 issues](https://github.com/pdfgeneratorapi/php-client/issues)[1 PRs](https://github.com/pdfgeneratorapi/php-client/pulls)unlicensePHPPHP ^7.4 || ^8.0

Since Apr 10Pushed 10mo ago2 watchersCompare

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PDFGeneratorAPI
===============

[](#pdfgeneratorapi)

Introduction
============

[](#introduction)

[PDF Generator API](https://pdfgeneratorapi.com) allows you easily generate transactional PDF documents and reduce the development and support costs by enabling your users to create and manage their document templates using a browser-based drag-and-drop document editor.

The PDF Generator API features a web API architecture, allowing you to code in the language of your choice. This API supports the JSON media type, and uses UTF-8 character encoding.

Base URL
--------

[](#base-url)

The base URL for all the API endpoints is `https://us1.pdfgeneratorapi.com/api/v4`

For example

- `https://us1.pdfgeneratorapi.com/api/v4/templates`
- `https://us1.pdfgeneratorapi.com/api/v4/workspaces`
- `https://us1.pdfgeneratorapi.com/api/v4/templates/123123`

Editor
------

[](#editor)

PDF Generator API comes with a powerful drag &amp; drop editor that allows to create any kind of document templates, from barcode labels to invoices, quotes and reports. You can find tutorials and videos from our [Support Portal](https://support.pdfgeneratorapi.com).

- [Component specification](https://support.pdfgeneratorapi.com/en/category/components-1ffseaj/)
- [Expression Language documentation](https://support.pdfgeneratorapi.com/en/category/expression-language-q203pa/)
- [Frequently asked questions and answers](https://support.pdfgeneratorapi.com/en/category/qanda-1ov519d/)

Definitions
-----------

[](#definitions)

### Organization

[](#organization)

Organization is a group of workspaces owned by your account.

### Workspace

[](#workspace)

Workspace contains templates. Each workspace has access to their own templates and organization default templates.

### Master Workspace

[](#master-workspace)

Master Workspace is the main/default workspace of your Organization. The Master Workspace identifier is the email you signed up with.

### Default Template

[](#default-template)

Default template is a template that is available for all workspaces by default. You can set the template access type under Page Setup. If template has "Organization" access then your users can use them from the "New" menu in the Editor.

### Data Field

[](#data-field)

Data Field is a placeholder for the specific data in your JSON data set. In this example JSON you can access the buyer name using Data Field `{paymentDetails::buyerName}`. The separator between depth levels is :: (two colons). When designing the template you don’t have to know every Data Field, our editor automatically extracts all the available fields from your data set and provides an easy way to insert them into the template.

```
{
    "documentNumber": 1,
    "paymentDetails": {
        "method": "Credit Card",
        "buyerName": "John Smith"
    },
    "items": [
        {
            "id": 1,
            "name": "Item one"
        }
    ]
}

```

Rate limiting
-------------

[](#rate-limiting)

Our API endpoints use IP-based rate limiting and allow you to make up to 2 requests per second and 60 requests per minute. If you make more requests, you will receive a response with HTTP code 429.

Response headers contain additional values:

HeaderDescriptionX-RateLimit-LimitMaximum requests per minuteX-RateLimit-RemainingThe requests remaining in the current minuteRetry-AfterHow many seconds you need to wait until you are allowed to make requests---

Libraries and SDKs
==================

[](#libraries-and-sdks)

Postman Collection
------------------

[](#postman-collection)

We have created a [Postman Collection](https://www.postman.com/pdfgeneratorapi/workspace/pdf-generator-api-public-workspace/overview) so you can easily test all the API endpoints without developing and code. You can download the collection [here](https://www.postman.com/pdfgeneratorapi/workspace/pdf-generator-api-public-workspace/collection/11578263-42fed446-af7e-4266-84e1-69e8c1752e93).

Client Libraries
----------------

[](#client-libraries)

All our Client Libraries are auto-generated using [OpenAPI Generator](https://openapi-generator.tech/) which uses the OpenAPI v3 specification to automatically generate a client library in specific programming language.

- [PHP Client](https://github.com/pdfgeneratorapi/php-client)
- [Java Client](https://github.com/pdfgeneratorapi/java-client)
- [Ruby Client](https://github.com/pdfgeneratorapi/ruby-client)
- [Python Client](https://github.com/pdfgeneratorapi/python-client)
- [Javascript Client](https://github.com/pdfgeneratorapi/javascript-client)

We have validated the generated libraries, but let us know if you find any anomalies in the client code.

---

Authentication
==============

[](#authentication)

The PDF Generator API uses **JSON Web Tokens (JWT)** to authenticate all API requests. These tokens offer a method to establish secure server-to-server authentication by transferring a compact JSON object with a signed payload of your account’s API Key and Secret. When authenticating to the PDF Generator API, a JWT should be generated uniquely by a **server-side application** and included as a **Bearer Token** in the header of each request.

Accessing your API Key and Secret
---------------------------------

[](#accessing-your-api-key-and-secret)

You can find your **API Key** and **API Secret** from the **Account Settings** page after you login to PDF Generator API [here](https://pdfgeneratorapi.com/login).

Creating a JWT
--------------

[](#creating-a-jwt)

JSON Web Tokens are composed of three sections: a header, a payload (containing a claim set), and a signature. The header and payload are JSON objects, which are serialized to UTF-8 bytes, then encoded using base64url encoding.

The JWT's header, payload, and signature are concatenated with periods (.). As a result, a JWT typically takes the following form:

```
{Base64url encoded header}.{Base64url encoded payload}.{Base64url encoded signature}

```

We recommend and support libraries provided on [jwt.io](https://jwt.io/). While other libraries can create JWT, these recommended libraries are the most robust.

### Header

[](#header)

Property `alg` defines which signing algorithm is being used. PDF Generator API users HS256. Property `typ` defines the type of token and it is always JWT.

```
{
  "alg": "HS256",
  "typ": "JWT"
}

```

### Payload

[](#payload)

The second part of the token is the payload, which contains the claims or the pieces of information being passed about the user and any metadata required. It is mandatory to specify the following claims:

- issuer (`iss`): Your API key
- subject (`sub`): Workspace identifier
- expiration time (`exp`): Timestamp (unix epoch time) until the token is valid. It is highly recommended to set the exp timestamp for a short period, i.e. a matter of seconds. This way, if a token is intercepted or shared, the token will only be valid for a short period of time.

```
{
  "iss": "ad54aaff89ffdfeff178bb8a8f359b29fcb20edb56250b9f584aa2cb0162ed4a",
  "sub": "demo.example@actualreports.com",
  "exp": 1586112639
}

```

### Payload for Partners

[](#payload-for-partners)

Our partners can send their unique identifier (provided by us) in JWT's partner\_id claim. If the `partner_id` value is specified in the JWT, the organization making the request is automatically connected to the partner account.

- Partner ID (`partner_id`): Unique identifier provide by PDF Generator API team

```
{
  "iss": "ad54aaff89ffdfeff178bb8a8f359b29fcb20edb56250b9f584aa2cb0162ed4a",
  "sub": "demo.example@actualreports.com",
  "partner_id": "my-partner-identifier",
  "exp": 1586112639
}

```

### Signature

[](#signature)

To create the signature part you have to take the encoded header, the encoded payload, a secret, the algorithm specified in the header, and sign that. The signature is used to verify the message wasn't changed along the way, and, in the case of tokens signed with a private key, it can also verify that the sender of the JWT is who it says it is.

```
HMACSHA256(
    base64UrlEncode(header) + "." +
    base64UrlEncode(payload),
    API_SECRET)

```

### Putting all together

[](#putting-all-together)

The output is three Base64-URL strings separated by dots. The following shows a JWT that has the previous header and payload encoded, and it is signed with a secret.

```
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJhZDU0YWFmZjg5ZmZkZmVmZjE3OGJiOGE4ZjM1OWIyOWZjYjIwZWRiNTYyNTBiOWY1ODRhYTJjYjAxNjJlZDRhIiwic3ViIjoiZGVtby5leGFtcGxlQGFjdHVhbHJlcG9ydHMuY29tIn0.SxO-H7UYYYsclS8RGWO1qf0z1cB1m73wF9FLl9RCc1Q

// Base64 encoded header: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
// Base64 encoded payload: eyJpc3MiOiJhZDU0YWFmZjg5ZmZkZmVmZjE3OGJiOGE4ZjM1OWIyOWZjYjIwZWRiNTYyNTBiOWY1ODRhYTJjYjAxNjJlZDRhIiwic3ViIjoiZGVtby5leGFtcGxlQGFjdHVhbHJlcG9ydHMuY29tIn0
// Signature: SxO-H7UYYYsclS8RGWO1qf0z1cB1m73wF9FLl9RCc1Q

```

Temporary JWTs
--------------

[](#temporary-jwts)

You can create a temporary token in [Account Settings](https://pdfgeneratorapi.com/account/organization) page after you login to PDF Generator API. The generated token uses your email address as the subject (`sub`) value and is valid for **15 minutes**. You can also use [jwt.io](https://jwt.io/) to generate test tokens for your API calls. These test tokens should never be used in production applications.

---

Error codes
===========

[](#error-codes)

CodeDescription401Unauthorized402Payment Required403Forbidden404Not Found422Unprocessable Entity429Too Many Requests500Internal Server Error401 Unauthorized
----------------

[](#401-unauthorized)

DescriptionAuthentication failed: request expiredAuthentication failed: workspace missingAuthentication failed: key missingAuthentication failed: property 'iss' (issuer) missing in JWTAuthentication failed: property 'sub' (subject) missing in JWTAuthentication failed: property 'exp' (expiration time) missing in JWTAuthentication failed: incorrect signature402 Payment Required
--------------------

[](#402-payment-required)

DescriptionYour account is suspended, please upgrade your account403 Forbidden
-------------

[](#403-forbidden)

DescriptionYour account has exceeded the monthly document generation limit.Access not granted: You cannot delete master workspace via APIAccess not granted: Template is not accessible by this organizationYour session has expired, please close and reopen the editor.404 Entity not found
--------------------

[](#404-entity-not-found)

DescriptionEntity not foundResource not foundNone of the templates is available for the workspace.422 Unprocessable Entity
------------------------

[](#422-unprocessable-entity)

DescriptionUnable to parse JSON, please check formattingRequired parameter missingRequired parameter missing: template definition not definedRequired parameter missing: template not defined429 Too Many Requests
---------------------

[](#429-too-many-requests)

DescriptionYou can make up to 2 requests per second and 60 requests per minute.---

For more information, please visit .

Installation &amp; Usage
------------------------

[](#installation--usage)

### Requirements

[](#requirements)

PHP 7.4 and later. Should also work with PHP 8.0.

### Composer

[](#composer)

To install the bindings via [Composer](https://getcomposer.org/), add the following to `composer.json`:

```
{
  "repositories": [
    {
      "type": "vcs",
      "url": "https://github.com/pdfgeneratorapi/php-client.git"
    }
  ],
  "require": {
    "pdfgeneratorapi/php-client": "master"
  }
}
```

Then run `composer install`

### Manual Installation

[](#manual-installation)

Download the files and include `autoload.php`:

```
