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Treblle
The all-in-one API governance and observability platform for engineering teams.
What it does
Provides real-time API monitoring and observability with zero configuration. Generates up-to-date API documentation automatically as requests occur. Identifies and alerts on API security threats and vulnerabilities. Groups API requests by customer to track individual user impact. Features 'Alfred AI' to help developers query and understand their API documentation.
Why it works
Simplicity: One of the fastest platforms to integrate, often requiring just a few lines of code to start seeing data. Completeness: Combines monitoring, documentation, and security into a single unified dashboard. Customer Centric: Its unique 'Customer' dashboard allows technical teams to see exactly how their APIs are performing for specific end-users. Developer Experience: Designed to remove the 'boring' parts of API management like manual documentation and log parsing.
Category: Utilities & System Tools
Team Size: 27
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As of 2026
Utilities & System Tools
Revenue: $1M-$10M ARR
The all-in-one API governance and observability platform for engineering teams.
Overview
Treblle is an API lifecycle management platform that helps developers and companies monitor, document, and observe their APIs in real-time. By integrating a lightweight SDK, Treblle provides instant visibility into API requests, automated documentation, and security auditing, allowing teams to find and debug issues up to 15x faster while ensuring consistent API performance and security.
Funding status: Funded
Revenue source: Subscriptions
Customer type: B2B
Pricing: Freemium
Tech stack: React, Node.js, PHP, AWS
Platform: Web • API
Integrations: Laravel, Node.js, Python, Go, Ruby, .NET, AWS, Google Cloud
Founder story
Founded in 2017 in Zagreb, Croatia, by Vedran Cindric. Vedran, a developer himself, was tired of the manual labor involved in documenting and debugging APIs. He built Treblle to automate these processes, moving the headquarters to the US (Delaware) to better serve a global market while keeping a strong engineering presence in Europe.
What it does
- Provides real-time API monitoring and observability with zero configuration
- Generates up-to-date API documentation automatically as requests occur
- Identifies and alerts on API security threats and vulnerabilities
- Groups API requests by customer to track individual user impact
- Features 'Alfred AI' to help developers query and understand their API documentation.
Who it's for
- Backend Developers
- CTOs
- Engineering Managers
- API Architects
Why it works
- Simplicity: One of the fastest platforms to integrate, often requiring just a few lines of code to start seeing data
- Completeness: Combines monitoring, documentation, and security into a single unified dashboard
- Customer Centric: Its unique 'Customer' dashboard allows technical teams to see exactly how their APIs are performing for specific end-users
- Developer Experience: Designed to remove the 'boring' parts of API management like manual documentation and log parsing.
Growth strategies
- Targeted the 'API- first' engineering community through high-quality technical documentation and a generous free tier.
- Used a product- led growth model where the immediate value of 'live' documentation converted free users to paid plans.
- Successfully utilized a $7M Series A round to expand from a monitoring tool to a full federated API platform.
- Built strong social proof by attracting high- growth startups and established brands as early adopters.
Alternatives
Comparison overview
- Postman: Excellent for testing and design; Treblle is better for real-time production observability and automated documentation.
- Sentry: Great for general error tracking; Treblle is specialized for deep API-specific request/response data and security.
- Treblle is the best choice for teams that want a 'set-and-forget' solution for professional API governance.