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NCBI Eutils API

Health & Medical

Access NCBI Eutils public data through one AllAPI key — 16 endpoints across the NCBI Eutils surface. No NCBI Eutils account, no credentials, no scraping stack — one anonymous request returns real data or a documented honest error, never fabricated.

MethodEndpointOperation
POST/api/ncbi_eutils/bioprojectBioproject
POST/api/ncbi_eutils/biosampleBiosample
POST/api/ncbi_eutils/clinvarClinvar
POST/api/ncbi_eutils/efetchEfetch
POST/api/ncbi_eutils/einfoEinfo
POST/api/ncbi_eutils/elinkElink
POST/api/ncbi_eutils/esearchEsearch
POST/api/ncbi_eutils/esummaryEsummary
POST/api/ncbi_eutils/geneGene
POST/api/ncbi_eutils/genomeGenome
POST/api/ncbi_eutils/meshMesh
POST/api/ncbi_eutils/nucleotideNucleotide
POST/api/ncbi_eutils/proteinProtein
POST/api/ncbi_eutils/snpSnp
POST/api/ncbi_eutils/sraSra
POST/api/ncbi_eutils/taxonomyTaxonomy

Call the NCBI Eutils API in one line

Free tier — 200 credits/month, no card. One key works across all 468 platforms, 39 MCP tools and 48 composites.

Get your free key → API reference