Metlo

Name: Metlo
Brand: Metlo

AI Native

The First Open Source API Security Platform

Est 2021|Valuation $1.8M|Raised $130K

LinkedIn 298|Web traffic 4K|FTEs 3|HQ San Francisco, California, US

MarketsApplication Security Testing (AST)

01Competitive Landscape

Narrative analysis

Where Metlo differentiates:

Open-source and self-hosted deployment model is a distinguishing factor compared with many enterprise vendors.
Traffic-based discovery is emphasized to identify unknown APIs.

Where competitors may be stronger:

Enterprise maturity, reference customers, and third-party analyst coverage tend to be stronger for larger vendors.
Pricing transparency for some competitors can simplify procurement for small teams.

Market trend note: The API security market has seen consolidation and acquisitions, which can affect vendor roadmaps, integrations, and packaging. Buyers should consider market consolidation when evaluating long-term vendor selection.

Where Metlo differentiates: - Open-source and self-hosted deployment model is a distinguishing factor compared with many enterprise vendors. - Traffic-based discovery is emphasized to identify unknown APIs. Where competitors may be stronger: - Enterprise maturity, reference customers, and third-party analyst coverage tend to be stronger for larger vendors. - Pricing transparency for some competitors can simplify procurement for small teams. Market trend note: The API security market has seen consolidation and acquisitions, which can affect vendor roadmaps, integrations, and packaging. Buyers should consider market consolidation when evaluating long-term vendor selection.

	Metlo	Salt Security	42Crunch
Starting Price	Public paid pricing not found; open-source components available; some features enterprise-licensed	Marketplace listings provide sample pricing tiers (indicative of enterprise positioning)	Public entry-level pricing and freemium options available for smaller teams and single users
Primary fit	Teams favoring open-source / self-hosted discovery, testing, and lightweight engineering-led adoption	Larger organizations seeking comprehensive enterprise discovery and runtime protection with vendor support	Teams focused on OpenAPI/contract-driven security and SDLC integration
Key strengths	Open-source and self-hosted option; traffic-based endpoint discovery; configurable sensitive data detection	Broad enterprise footprint and reference customers; integrated runtime protection at scale	Strong contract-driven testing and IDE/CI/CD integrations; clear entry-level positioning for small teams
Key weaknesses	Limited public third-party reviews and compliance artifacts; enterprise features are gated	Enterprise pricing and procurement may be a barrier for smaller teams	Runtime protection and large-scale deployments often require vendor engagement and custom quoting