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fastn.ai (composable middleware)

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Embedded integration and automation platform for trustworthy AI agents

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fastn
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About fastn.ai (composable middleware)

fastn is a no-code AI-powered orchestration platform for developers. It integrates and orchestrates multiple data sources into a single, unified API, connects any data flow, and creates hundreds of app integrations. It accelerates development and speeds time to market. fastn provides an AI-Powered Embedded Integration Infrastructure, enabling users to embed the integrations their users need—seamlessly connecting APIs, legacy systems, enterprise workflows, and everything in between. It is trusted by companies like Veeve.

How to Use

Developers can use fastn to build integrations in minutes, develop and integrate connectors with any data source, unify data access into a single format, and monitor and troubleshoot APIs and integrations using a visual drag-and-drop interface. An AI Agent can also be used to create APIs from human prompts without coding.

Key Features

  • No-code data orchestration
  • Unified API creation
  • Pre-built connectors
  • AI-assisted automation
  • Real-time data orchestration
  • Visual drag-and-drop interface
  • Universal API Builder
  • Instant API Composition
  • AI Agent for APIs & Integrations

Use Cases

  • Building API solutions without complex integrations
  • Unifying data access across multiple sources
  • Embedding integrations into user interfaces
  • Automating API creation with AI
  • Managing and monitoring API performance

Key Features

No-code data orchestration
Unified API creation
Pre-built connectors
AI-assisted automation
Real-time data orchestration
Visual drag-and-drop interface
Universal API Builder
Instant API Composition
AI Agent for APIs & Integrations

Pros & Cons

Pros
  • Reduces token costs through adaptive context compression
  • Low latency via tool composition and batched calls
  • Enterprise-grade security with SOC 2, ISO, GDPR, HIPAA/PCI readiness
  • Supports 1000+ pre-built integrations
  • Full transparency with tracking of agent decisions and tool usage
  • Horizontal scaling and 99.9% uptime SLA
  • 24/7 technical support with dedicated account manager
Cons
  • Pricing only available on contact (no transparent pricing)
  • Some features still in development (Data Sync, Agent Auth coming soon)
  • Focus on agent integration may not suit traditional API integration needs without agent context

Best For

Building API solutions without complex integrationsUnifying data access across multiple sourcesEmbedding integrations into user interfacesAutomating API creation with AIManaging and monitoring API performance

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FAQ

What security certifications does fastn hold?
fastn is SOC 2 Type II certified, ISO-certified, GDPR compliant, and HIPAA- and PCI-ready.
How does fastn reduce token usage for AI agents?
fastn's Adaptive Context compresses tool chains and lowers token costs by filtering tools and schemas according to the agent's task intent, reducing context bloat and hallucinations.
What integrations are available?
fastn provides access to 1000+ tools via one MCP server, with the ability to build additional custom integrations.
What support options are offered?
fastn offers 24/7 technical support, implementation assistance, custom solution reviews, and a dedicated technical account manager.