Robust PDF API for all your document needs
The pdfFiller REST API empowers developers to integrate an advanced and intuitive editor and form builder into
their software. Edit and annotate PDFs, add fillable fields, share editable forms, and export filled-in forms
using simple API calls.
Complete your solution with integrated PDF tools
Bring seamless PDF management functionality into your application to expand its capabilities and enhance your users’ experience.
Please note: Some of the features listed here are currently in development and will become available soon. Contact us to learn about the solutions we can offer in the meanwhile.
Highly configurable PDF tools API for any use case and industry
Check out our code examples to get you started.
Convert Excel to PDF
PDF Split
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curl --request POST \--url https://pdf.airslate.io/v1/documents/convert/xlsx-to-pdf \--header 'Accept: application/pdf, application/json' \--header 'Authorization: Bearer undefined' \--header'Content-Type: multipart/form-data' \--form file= \
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curl --request POST \--url https://pdf.airslate.io/v1/documents/tools/split-pdf \--header 'Accept: application/json' \--header 'Authorization: Bearer undefined' \--header'Content-Type: multipart/form-data' \--form file= \--form pages=
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Superior developer experience for embedded document workflow
As part of Document Automation Hub by airSlate, PDF Tools API offers developer-friendly features and technical excellence at the most competitive rates.
Developer-centric
Slash the time to develop, configure, and maintain PDF integrations with airSlate’s clear API structure, detailed documentation, code examples, and a centralized dashboard to monitor API usage and reporting.
Flexible & scalable
With the modular and extensible architecture of our API, incorporate any specific PDF functionality into your workflow. As your needs evolve, you can plug in more features at any time.
Practical & cost-effective
Benefit from reduced development and maintenance costs of your PDF integrations with airSlate’s profound industry expertise, technology, and usage-based pricing.
Scalable developer plans to suit any workflow
Gain access to a full suite of APIs to automate your document processes – and only pay for what you use.
Tap into additional resources for hassle-free integration of PDF management capabilities
Solution engineers
Get in touch with our tech experts to pick the right solution for your unique needs.
Drop us a line
Our user reviews speak for themselves
Shermaine Chloe G.
Employee Services Manager
“The best thing about airSlate is how they've made it very easy for people without a programming background
to set up flows.”
Guillermo Gameros
Advisor
“I would highly recommend airSlate to any business leader who is looking to increase efficiency in their
workforce. My team and I have gained precious minutes in our prospecting time.”
Sam Ginzberg
Royal Care
“Great tool for automation! No need for dual entry eliminated the risk of errors. Completing paperwork and
getting signatures turned into a breeze.”
Michael Moore
Transition Insurance Agency
“airSlate has been a great addition to our business! It integrates well with Salesforce allowing our team
to seamlessly get custom documents ready for signatures within our Salesforce record!”
Menachem Tauber
Lubavitch Educational Center
“Automations that took me over 100 hours using Google sheets and scripts, can now be set up in airSlate in
just 20-30 hours.”
Brian Del Terzo
Credilife
“There is no more all inclusive workflow solution like it!”
Mark Mc Nichol
In At The Deep End
“We’re getting information and data back from customers, and internal HR related documents quicker than ever before.”
Julia Whitfield
Champ Plan Advisors
“Amazing Platform, customized for our special needs! Sophisticated, smart & cutting-edge!”
Adam Beaty
Bullogic Wealth Management
“The ease of being able to create forms, PDFs, and other documents that link right into Salesforce has been
instrumental in cutting down our processing times and increasing our customer satisfaction.”
Jim Royster
Cryo-Cell
“The Bots and workflow routing have been beneficial in allowing us to pull data from Salesforce, pre-fill
documents, and then route those documents to various clients for signature.”
Brian Del Terzo
Credilife
“There is no more all inclusive workflow solution like it!”
Mark Mc Nichol
In At The Deep End
“We’re getting information and data back from customers, and internal HR related documents quicker than ever before.”
Julia Whitfield
Champ Plan Advisors
“Amazing Platform, customized for our special needs! Sophisticated, smart & cutting-edge!”
Adam Beaty
Bullogic Wealth Management
“The ease of being able to create forms, PDFs, and other documents that link right into Salesforce has been
instrumental in cutting down our processing times and increasing our customer satisfaction.”
Jim Royster
Cryo-Cell
“The Bots and workflow routing have been beneficial in allowing us to pull data from Salesforce, pre-fill
documents, and then route those documents to various clients for signature.”
Shermaine Chloe G.
Employee Services Manager
“The best thing about airSlate is how they've made it very easy for people without a programming background
to set up flows.”
Guillermo Gameros
Advisor
“I would highly recommend airSlate to any business leader who is looking to increase efficiency in their
workforce. My team and I have gained precious minutes in our prospecting time.”
Sam Ginzberg
Royal Care
“Great tool for automation! No need for dual entry eliminated the risk of errors. Completing paperwork and
getting signatures turned into a breeze.”
Michael Moore
Transition Insurance Agency
“airSlate has been a great addition to our business! It integrates well with Salesforce allowing our team
to seamlessly get custom documents ready for signatures within our Salesforce record!”
Menachem Tauber
Lubavitch Educational Center
“Automations that took me over 100 hours using Google sheets and scripts, can now be set up in airSlate in
just 20-30 hours.”
How to make the appropriate choice between PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support teams meeting all your document management demands
Going paperless and optimizing workflows is one of the crucial tasks every company encounters these days. Still, simply using a PDF editor alone is not a remedy. The easiest way to overcome these challenges is to embed our editor’s capabilities into your website or custom application via an Application Programming Interface and finish all your tasks in one place.
The market provides many solutions, so choosing the most appropriate one can be difficult and time-consuming. Our tool is one of the most well-known, comprehensive, and developer-friendly document management platforms for companies of all sizes. Consider its PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support department closely and match them by the features provided, security and compliance, and user-friendliness to make your winning decision.
Adhere to our guideline to compare PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support teams and implement the most suitable one into your application:
01
Create an account and go through user authentication.
02
Contact Support and request your Client ID and Client Secret credentials.
03
Obtain your access token and read through your API documentation prior to proceeding.
04
Add a file and start modifying it following your requirements.
05
Build your form with fillable areas and save it as a re-usable template.
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Share your form with other people by means of email or secure links for document fill-out.
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Evaluate PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support teams by their capabilities and pricing to make your decision.
Save time and money on document management without printing and mailing paperwork or switching between different programs to complete your tasks. Empower your software with the most robust form-creating and editing instruments. Try out PDF Tools Application Programming Interface free of charge - you’ll be surprised at all the benefits it grants you. Get started today!
Document Automation Hub
A comprehensive suite of APIs to automate document workflows.
Forms API
Create forms that adapt based on user inputs, pre‑fill fields with backend data, and provide a mobile-friendly experience for form completion.
DocGen API
Generate documents from DOCX templates, pre‑fill them with dynamic data of any size using field tags, and add conditional logic.
Flows API
Run automated document workflows from your app or website – launch airSlate Flows to transfer data and documents between external systems.
eSignature API
Embed legally‑binding eSignature into your app to send documents for signature, request payments, create fillable templates, and track the status of documents.
PDF Editing API
Embed editing features to allow users to annotate and make edits to PDF documents without leaving your application.
PDF Tools API
Manipulate PDFs from inside your solution and complete actions such as splitting or merging PDFs, converting files, exporting documents, and more.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
What is the the most appropriate API for PDF editing in Customer Support department?
API, which means Application Programming Interface, is an intermediary connection between two software solutions that enables them to communicate with each other. Most PDF modifying solutions on the market provide this functionality, making it easier for users to fill out and handle forms directly from their websites or applications instead of switching between tools. You can match several popular solutions, for instance, PDF Tools HTTP REST API vs. PDFsimpli API, and opt for the one that fits your Customer Support team’s needs the most.
How do I get PDF Tools HTTP REST API?
To embed robust PDF editing features into your software solution rapidly and correctly, you should contact our Sales team. Just fill out a Contact form on our website. Our professionals will contact you and provide an in depth instruction on the installation process, subscriptions, and other information you need.
Is PDF Tools HTTP REST API free of charge?
Yes, our service provides you with the opportunity for a free trial. Create a developer's Sandbox to test PDF Tools HTTP REST API before buying a subscription. Contact our Sales specialists for more information. They will guide you through the introductory steps and help you find the best subscription choice once you are ready to make a deal.
How much is PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support department?
Both tools have several subscription plans for their users. The price of our PDF tools API is determined by the number of forms your team manages during a particular period. Think of the average amount of documentation you usually edit, approve, and send to others to fill out. Examine our pricing page or reach out to our Sales representatives if you have extensive transactions and need assistance in finding an appropriate option for your Customer Support team.
How can I select PDF Tools HTTP REST API vs. PDFsimpli API for Customer Support department?
Every tool has its pros and cons. When choosing a robust document management solution to incorporate into your website or custom application, you need to evaluate several options in practice. Register for a free developer’s Sandbox and measure up PDF Tools HTTP REST API vs. PDFsimpli API by features and user friendliness, then comare their prices and make your decision.
Ready to kickstart your PDF integration?
Get in touch with our tech experts and they will help you find the optimal API solution for your document editing, management, and automation needs.
