Scheduled Maintenance – 3–5 November 2026
Due to scheduled infrastructure maintenance, Ensembl Archive sites will have significantly reduced capacity and availability from 3 to 5 November.
Ensembl Tools will be unavailable throughout this period, and no jobs can be processed.
We apologise for the inconvenience.

Help & Documentation

Using this website

Our website offers lots of ways to view and interact with our genomic data - find out more!

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Annotation & Prediction

various speciesThe Ensembl project produces genome databases for vertebrates and other eukaryotic species, and makes this information freely available online.

Data access

db serverAll of our data is open-access and can be downloaded free of charge (disclaimer). Ways to access this data include:

  • Export features or sequence directly from web pages
  • FTP download of complete datasets
  • Access data from our REST server using any Programming language

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API & Software

Powered by Perl Ensembl releases all its software under an Apache-style open source licence. Our products include:

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