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CRM APIs
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241–288 of 372
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.
RADAR software
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radius
View API profileReal Estate Webmasters
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Really Simple Systems CRM
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RealTime CRM
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Redhorse Systems
View API profileRedtail CRM
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Redtail Technology
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Referral Rock
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Relenta
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Repbox
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Repsly
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Resco Mobile CRM
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Respond.io
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Results CRM & Business Suite
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Revamp CRM
View API profileRevBoss
View API profileRex
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Ringy
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Robo CRM
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Rsoft CRM
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Saarif CRM
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Sage CRM
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SalesBabu
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Salesboom
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Salescamp CRM
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Salesflare
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Salesforce Essentials
View API profileSalesforce Lightning
View API profileSalesforceIQ
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SalesFundaa CRM
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Salesmachine
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Salesmanna
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Salesmate
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Salesnet
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SalesNexus
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SalesOutlook CRM
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SalesRabbit
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SalesTarget
View API profileSalesUp!
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SalezShark
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Salpo CRM
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Samdock
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SanityOS
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SAP C4C
View API profileSAP CRM
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SecondCRM
View API profileCounts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.