LAPIS (Lightweight API for Sequences) is an open web application programming interface (API) allowing easy querying of SARS-CoV-2 sequencing data using web links. The core features are:

  • Filter sequences by metadata or mutations

  • Aggregate data by any metadata field you like

  • Get the full metadata

  • Get the sequences as FASTA (aligned or unaligned)

  • Responses can be formatted as JSON and as CSV

Two instances are publicly available:

If you are hosting an own public instance and would like it to be added to the list, please send us an email or submit a pull request to change this page.