Apollo

“While the concept of enriching leads and providing sales intelligence through a vast database of contacts is promising, the abysmal success rate and exceptionally slow response times for most requests render the API nearly unusable. Only a single endpoint delivered decent quality results, and the exorbitant pricing for basic queries only adds to the frustration of trying to leverage this service effectively.”

“Apollo's enrichment works when you feed it clean, structured data (email addresses), but their search functionality is practically unusable—90% of queries fail or get blocked by absurd per-request costs, making the 275M contact database feel like vaporware if you actually need to find anyone.”