Cheap, API-driven lead enrichment replacing expensive monthly SaaS

Sales and marketing teams across SMBs and mid-market companies are saddled with expensive monthly enrichment SaaS — many pay $1k–$10k+ per month for products they underuse — while procurement and finance push to trim recurring seats and line items. The problem is acute for small ops and growth teams who need on-demand, embedded enrichment in pipelines and CRMs rather than large fixed subscriptions; roughly 2.0M addressable businesses paying a $3.0K ACV each yields a $6.0B market but buyers are increasingly cost-sensitive. You could build an API-first, usage-based lead enrichment service that sells low-cost credits (pay-as-you-go top-ups), with real-time lookup APIs, webhooks, SDKs, deterministic matching, confidence scoring, and an incremental enrichment mode to minimize calls. Technical execution would prioritize developer experience, predictable pricing tiers (e.g., microcredits), and integrations for the most common CRMs and reverse IP/email lookups, while investing early in data partnerships and compliance tooling. The timing is favorable: market dynamics favor usage-based pricing, buyers want API-driven integrations, and macro budget pressure on martech creates demand for lower-cost alternatives; the market score and revenue potential here (88/100 and 86/100 respectively) reflect that opportunity. To stand out you must be ruthlessly efficient on cost per enrichment and transparent about coverage and accuracy, deliver superior developer ergonomics and SLAs, and prove ROI with case studies; be honest that competition is high and that building data coverage, acquisition, and compliance will require upfront investment and disciplined unit economics.