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Zatanna
ActiveTurning all software into agent-first APIs
Winter 2026Founded 20253 peopleSan Francisco, CA, USA
AI insightcan contain mistakes
Agent-First API InfrastructureAPI/InfraDevelopers and companies building agentic appsMedium competition
Moat
First-mover in agent-first API design; proprietary tools for making software agentic.
Key risk
Unclear product clarity from limited description; competition from cloud providers adding agent APIs.
Why now
Agentic era requires new infrastructure primitives; enterprises shifting from chat to agent-first applications.
Competitors
OpenAI platform, Anthropic Claude API, cloud providers (AWS, GCP, Azure)
Founders · 2
Launch
Launched on Y Combinator · Mar 2026
View launch post ↗Zatanna creates faster, cheaper, and more reliable APIs for AI agents
Zatanna provides APIs for AI agents by reverse engineering workflows on software without public APIs, hosting the underlying request sequences as endpoints to replace browser automation. It targets ERP, PMS, portals, marketplaces, and other operational websites, offering faster, cheaper, and more reliable interactions with session management, retry logic, and traffic handling.
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