Free CRM Software With Custom API

Popular free CRM with unlimited API access. Open API allows Bitrix24 clients and partners to enhance their cloud solution through adjusting workflows and business logic inside their cloud-based portals. On Premise edition with the open source code option is available.

Looking for best CRM with API access? Consider Bitrix24. Bitrix24 is a popular CRM software available in cloud and on premise (with PHP source code access). API and Rest API are available. Access to Bitrix24 API is free and unlimited. Our CRM can easily be connected to web services like cloud accountingtelephony servicesemail marketing platformsdata enrichment providersdata migration services or bots. Bitrix24 can also be integrated with other on premise software, like IBM Lotus Notes or SAP.

So what makes Bitrix24 best online CRM with API access?

First, all records in cloud are unlimited without any charges for API access. Second, Bitrix24 comes with an extremely powerful business process and marketing automation features.

Third, Bitrix24 comes with built-in telephony platform that is on par even with the most powerful options on the market.

Forth, you get quotes, invoices, tasks, email marketing, projects and document management options.

Finally, experienced Bitrix24 partners are available for hire should you need any assistance with API consultations.

* Please note that the information may have changed since the publication. For current prices and features please visit Bitrix24 pricing page.

Basic Features

  • Unlimited users free
  • Custom quotes and invoice 
  • 5GB free online storage
  • Web based and on premise
  • Unlimited CRM records free
  • CRM Import/Export
  • Flexible access rights
  • Free mobile apps for iOS and Android
  • API and source code available

Register Free

Best Free CRM

  • Leads/Contacts/Companies/Deals
  • Custom sales stages
  • Custom fields in CRM
  • Quotes and Invoices
  • Products and Product Catalog
  • CRM activity stream
  • Currencies and taxes

Register Free

Import & Export

  • Excel & CSV
  • Email to lead
  • Call to lead
  • Web to lead (external web forms)
  • Manual entry
  • Mobile entry

Register Free

Sales Automation

  • Custom workflows (business processes)
  • Email marketing
  • Access rights
  • Automatic lead assignment
  • Sales funnel
  • CRM reports
  • Tasks and documents
  • Calendar and scheduling

Register Free

Call Center and Telemarketing

  • Incoming calls
  • Outbound calls
  • Rent local number
  • Rent toll free number
  • Use your number
  • Call recording
  • Call forwarding

Register Free

For more information about Bitrix24, head over to our training courses.
We also have a great YouTube channel that covers every aspect of Bitrix24, from sales and planning to document management and company internal communication tools.
To download the self-hosted edition of Bitrix24 that can be installed on your own server and give you access to open source code, please visit the Bitrix24 Self-Hosted page.
12,000,000+ organizations have chosen Bitrix24