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Best PDF API Software in 2026
If your product needs to handle PDFs through an API, compare the operations each option lists: data extraction, OCR, merging and splitting, compression, and conversion. Deployment model and SDK languages can help you consider integration needs, while free-plan availability and paid-from pricing add cost context. easyPDF Cloud API, OCR.space, and PDF4me API are among the entries to examine. Consider which document tasks your application or workflow must support, and weigh those against the listed deployment, language, and pricing details.
- 35 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Aspose.PDF Cloud
Free plan AndroidAPIiPhone+5Aspose.PDF Cloud offers broad PDF operations through APIs, SDKs, cURL, and Docker deployment. Its trial covers core features, while paid usage follows API-call pricing starting at $30/mo.
- 2
Apdf
Free plan APIWebApdf brings PDF operations, recipient tracking, and event-driven integrations together through an API.
- 3
easyPDF Cloud API
Free plan AndroidAPIiPhone+4easyPDF Cloud API combines file conversion, PDF merging, and workflow automation in a cloud service, with free entry plans and paid credit options.
7.4 Visit site - 4
HTML2PDF Rocket
Free plan AndroidAPILinux+3HTML2PDF Rocket provides a cloud conversion workflow with rendering options and language examples.
- 5
Cloudmersive PDF API
Free plan APISelf-hostedCloudmersive covers PDF conversion, page operations, forms, OCR, and security controls in one API offering. The free tier has call, rate, and file-size limits; paid plans start at $19.99/mo.
- 6
OCR.space
Free plan AndroidAPIExtension+6OCR.space offers browser-based OCR, API access, searchable PDF creation, and an offline self-hosted option. Check the file, page, and conversion limits for the plan and engine you need.
- 7
Adobe PDF Services API
by AdobeFree plan WebAdobe PDF Services API covers document creation, conversion, page operations, and template-based generation.
- 8
APITemplate.io
by APITemplate.ioFree plan WebAPITemplate.io offers several content inputs, template editors and generation modes, with usage allowances that vary by plan. The free tier is limited, while paid plans are billed annually.
- 9
CraftMyPDF
by CraftMyPDFFree plan APIWebCraftMyPDF combines template design, data merging, fillable forms, and automated generation in one service. Check its monthly document and template limits against your workload before choosing a plan.
- 10
DocRaptor
by Artifex Software Inc.Free plan APIWebDocRaptor combines HTML conversion with PDF form, accessibility, and rendering features.
- 11
LlamaParse
Free plan APISelf-hostedWebLlamaParse supports document extraction across many formats, languages, and output types, with web, API, and self-hosted options.
- 12
PDF4me API
Free plan AndroidAPIExtension+5PDF4me API offers document-processing endpoints, SDKs, and automation integrations, with free one-time call packs listed.
- 13
DynamicPDF Cloud API
Free plan APIWebDynamicPDF Cloud API covers document generation and a range of PDF operations through REST endpoints and language libraries.
- 14
GoPDF
Free plan APIWebGoPDF offers PDF conversion and document operations through a cloud API, with a free plan and two paid volume tiers. Store signup API keys securely because they cannot be retrieved again.
- 15
HTMLPDF.dev
Free plan APIWebHTMLPDF.dev pairs a browser playground with API-based PDF generation and detailed rendering controls. Check the plan quotas and hourly limits against expected usage; paid plans start at $19 a month.
- 16
iLoveAPI
Free plan APIWebiLoveAPI offers a wide range of document operations through APIs, SDKs, and integrations, with a free monthly credit allowance.
- 17
PDF API
by PDF APIFree plan APIWebPDF API combines template-based PDF generation with a REST interface and a free monthly allowance. Check the request and concurrency limits for the plan you need; paid plans start at €15/mo.
- 18
Zamzar API
Free plan AndroidAPIExtension+5Choose Zamzar API if you need to add file conversion to an application and want broad format coverage, SDKs, and a free testing path.
- 19
PDF.ai API
Free plan APIPDF.ai API combines PDF parsing, structured extraction, section finding, and Q&A in one HTTP API. Review the operation-specific credit charges and key handling before building it into a workflow.
- 20
PdfGen
Free plan APIWebChoose PdfGen if you need cloud PDF generation with template editors, API access, and document sharing.
- 21
pdflayer
Free plan APIWebpdflayer offers URL and HTML conversion with a range of rendering and page customization options.
- 22
Adobe Document Generation API
Free plan Web - 23
PDFMonkey
by PDFMonkeyFree plan APIWebPDFMonkey offers both visual and code-based templates, several output formats, and developer integrations.
- 24
pdfRest API Toolkit Cloud
Free plan APIWebChoose pdfRest API Toolkit Cloud when you need PDF operations in an application or low-code workflow, with a free Starter plan for limited usage.
- 25
PDFShift
by SASU PDFShiftFree plan WebChoose PDFShift for API-based HTML-to-PDF conversion, particularly when CSS and JavaScript rendering or Amazon S3 integration is useful.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price