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Procurement APIs
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Popular first highlights editorial picks, then ranks providers by monthly downloads of mapped SDKs on npm and PyPI (latest refresh 2026-10-26; unavailable measurements retain older counts). Others follow A–Z.
DeepStream Technologies
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Expent
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Fairmarkit
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Keelvar
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Lightyear
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Medius
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Paid
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penny software
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PEPPOL
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Portt
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Precoro
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Procol
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SAP Ariba
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Scout RFP
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Terzo
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Yaydoo
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Zip
View API profileCounts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.