CallRail, a leading SaaS solution for businesses and marketing agencies, sought a modern Speech-to-Text API to enhance its Conversation Intelligence transcription accuracy and quality. The company partnered with AssemblyAI, which provided high-accuracy transcriptions and advanced features such as Automatic Transcript Highlights and PII Redaction. With this partnership, CallRail has seen call transcription accuracy improve by up to 23% and doubled the number of customers using its product. The collaboration between the two companies allows for continuous improvement in analytics and customer experience.