Merge

Merge

Merge.dev
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About

FastRouter is a unified API gateway that enables AI applications to access many large language, image, and audio models (like GPT-5, Claude 4 Opus, Gemini 2.5 Pro, Grok 4, etc.) through a single OpenAI-compatible endpoint. It features automatic routing, which dynamically picks the optimal model per request based on factors like cost, latency, and output quality. It supports massive scale (no imposed QPS limits) and ensures high availability via instant failover across model providers. FastRouter also includes cost control and governance tools to set budgets, rate limits, and model permissions per API key or project, and it delivers real-time analytics on token usage, request counts, and spending trends. The integration process is minimal; you simply swap your OpenAI base URL to FastRouter’s endpoint and configure preferences in the dashboard; the routing, optimization, and failover functions then run transparently.

About

Merge is the leading
Unified API platform that enables B2B software companies to add hundreds of integrations to their products—making it easy for them to access and sync their customers’ data. ‍Merge's Unified APIs provide normalized data across key software categories, including accounting, HRIS, ATS, CRM, file storage, and ticketing. Merge also handles the full integrations lifecycle—from an easy initial build that takes just weeks to providing integration observability tools to help your customer-facing teams manage integrations. Thousands of companies—like BambooHR, Ramp, and Ema—trust Merge to power integrations that unblock sales, reduce customer churn, accelerate time to market for new products, and save engineering costs and resources.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and AI engineering teams wanting a tool providing access, optimized performance, and cost governance under a single API

Audience

Any B2B company that needs to add HRIS, ATS, ERP, file storage, ticketing, or CRM integrations to their product.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

Free
Merge offers a self-serve Launch Plan with three free Production Linked Accounts, after which the cost is $650/month for up to 10 accounts.

For larger-scale usage, you can explore Merge’s Professional or Enterprise Plans, which offer volume-based discounts and additional features, like dedicated support and sandbox environments​​.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

FastRouter
Founded: 2025
United States
fastrouter.ai/

Company Information

Merge.dev
Founded: 2020
United States
www.merge.dev/

Alternatives

Alternatives

Categories

AI Gateways Supported
API Gateways Supported
LLM Routers Supported

Categories

AI Automation Supported
AI Gateways Supported
AI Tools Supported
API Gateways Supported
Integration Supported
Unified APIs Supported

Integrations

BambooHR Not Supported
GPT-5.1 Thinking Supported
GPT-5.2 Pro Supported
GPT-5.2 Thinking Supported
GPT-5.4 Supported
GPT-5.4 nano Supported
GPT-6 Astra Supported
GPT-6 Luna Supported
GPT-6 Sol Supported
Gemini 3 Flash Supported
Grok 4.1 Fast Supported
Grok 4.3 Supported
HR Cloud Not Supported
IBM iConnect Enterprise Archive Not Supported
OpenAI Supported
QuickBooks Online Not Supported
Square Payroll Not Supported
UKG Pro Not Supported
Workable Not Supported
Xero Not Supported

Integrations

BambooHR Supported
GPT-5.1 Thinking Not Supported
GPT-5.2 Pro Not Supported
GPT-5.2 Thinking Not Supported
GPT-5.4 Not Supported
GPT-5.4 nano Not Supported
GPT-6 Astra Not Supported
GPT-6 Luna Not Supported
GPT-6 Sol Not Supported
Gemini 3 Flash Not Supported
Grok 4.1 Fast Not Supported
Grok 4.3 Not Supported
HR Cloud Supported
IBM iConnect Enterprise Archive Supported
OpenAI Not Supported
QuickBooks Online Supported
Square Payroll Supported
UKG Pro Supported
Workable Supported
Xero Supported
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