Ensembl API
The Ensembl genome database as an API, powered by the official Ensembl REST service from EMBL-EBI. Look up any gene by symbol or Ensembl stable id for its biotype, genomic location, strand, description and transcripts; resolve any feature (gene, transcript, exon) by stable id; pull external database cross-references; fetch sequence variants by rsID with their alleles, most-severe consequence, minor-allele frequency, clinical significance and genomic mappings; list the genes, transcripts, exons, variations or repeats overlapping any genomic region; retrieve genomic, cDNA, CDS or protein sequences by id; and read genome-assembly metadata including the karyotype and chromosome lengths. Across human, mouse and 300+ vertebrate species. Ideal for bioinformatics pipelines, genome browsers and variant-annotation tools, genetics research apps, clinical-genomics dashboards and life-science chatbots.
api.oanor.com/ensembl-api