Introduction provides simple-to-use REST web services to query/retrieve variant annotation data. It’s designed with an emphasis on simplicity and performance.

Quick start provides two simple web services: one for variant queries and the other for variant annotation retrieval. Both return results in JSON format.

Variant query service


Examples  AND NOT dbsnp.vartype:indel>0.99 AND chrom:1 AND _exists_:cosmic


View nicely formatted JSON result in your browser with this handy add-on: JSON formatter for Chrome or JSONView for Firefox.

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Variant annotation service


<variant_id>” is an HGVS name based variant id using genomic location based on hg19 human genome assembly..


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