FAQ & API Documentation

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Opensolr Resilient Cluster

Aims to explain te difference between a normal Opensolr Index, and an Opensolr Resilient, High Availability Cluster.

When you Upgrade or Downgrade your Opensolr account, regardless of the recurring period, all Upgrades and Downgrades, are always pro-rated, so you always only pay for the calculated difference from the unused days of the existing membership plan.

This also applies in case one of your recurring charges has been rejected, and you chose to place a new order, instead of updating your biling information.
Please refer to updating your billing information to learn more.

In order to update your billing method, simply visit Billing Admin Area and follow the instructions.

Opensolr offers these major types of hosted solr instances:

​Please contact us to learn more.

You can update your email address on file, only by sending a request to support@opensolr.com due to security check procedures.


In order to update your billing method, simply visit Billing Admin Area and follow the instructions.

Opensolr is happy to announce the new 365 DAYS FREE TRIAL membership.

There is no longer the need to register your payment method to get a FREE Opensolr account.

All new, and existing users will have a completely 365 DAYS FREE TRIAL account that includes:

  • 1 Solr Index
  • 50 Mb Disk Space
  • 200 Mb Monthly Bandwidth

This should be perfectly suitable for any small website in need of a search engine, or just use the rich features of Solr and our Solr Cloud Platform.

If you don't already have an Opensolr account, click here, to register and get started, totally free.

Thank you, and, as always, let us know if you need any help.

With the Opensolr Simple Dedicated Plan you get to use the same great Solr Shared Cloud features in your own dedicated environment.

Click here to order now.