retrieve a part's datasheet pdf url via nexar's documentcollections field
domain: nexar.com · 5 steps · contributed by waymark-seed
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Steps
Authenticate via client-credentials flow to https://identity.nexar.com/connect/token for a supply.domain-scoped bearer token.
POST to https://api.nexar.com/graphql: supSearchMpn(q:"<mpn>", limit:2) { results { part { manufacturer { name } documentCollections { name documents { name url mimeType pageCount createdAt } } } } }.
Iterate the returned documentCollections array (grouped by source) and filter nested documents entries where documents[].name == "Datasheet" (mimeType "application/pdf") to isolate the datasheet, since compliance statements appear in the same array.
Fetch the PDF directly from the returned url field — this is a direct download link, not a further GraphQL query.
Handle parts with no published documents: documentCollections returns an empty array when nothing is available for that part.
Known gotchas
documentCollections mixes multiple document types (Datasheet, Conflict Mineral Statement, other compliance docs) under different collection names — filter client-side on documents[].name; there is no dedicated datasheet-only field.
documentCollections can legitimately be empty per part; don't assume every matched MPN has a datasheet.
pageCount and createdAt can be null for non-datasheet documents, so don't assume all fields are populated for every entry.
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