APIMaster records 210,182 monthly visits with +46.3% month-over-month growth and Paid pricing. Flatkey records 49,134 monthly visits with -40.8% growth and Paid, Contact for Pricing pricing.
One OpenAI-compatible key for discounted GPT, Claude and Gemini access
One API key for frontier models, 1,000+ AI tools, and one invoice
| Dimension / Metric | | |
|---|---|---|
| Official Domain | apimaster.ai | flatkey.ai |
| Pricing Model | Paid | Paid, Contact for Pricing |
| Monthly Visits | 210.18K (210,182) | 49.13K (49,134) |
| MoM Traffic Delta | +66.53K (+46.3%) | -33.92K (-40.8%) |
| Primary Market & Share | 🇺🇸 United States (16.3%) | 🇨🇳 China (69.9%) |
| Direct Visits / mo | 65.74K | 30.53K |
| User Rating | 4 | 4.1 |
| Supported Platforms | Website | Website |
One OpenAI-compatible key for discounted GPT, Claude and Gemini access
The catalogue spans over 90 models across LLMs, image, video, audio and embedding endpoints, individually priced per million tokens.
Each listed provider passes an LLM fingerprint test intended to confirm you receive the exact model you paid for, with no silent substitution.
If a routed channel goes down, requests are automatically routed to the next verified provider, so production calls keep running without manual key rotation.
Use one key and one prepaid balance across every model, with an OpenAI-compatible base URL for tools like Cursor, LangChain and LiteLLM.
One API key for frontier models, 1,000+ AI tools, and one invoice
Point your existing SDK at Flatkey's router URL and select models by ID instead of managing a credential per provider.
Frontier chat models and 1,000+ pay-per-call tools share one auth layer, one balance, and one invoice.
Issue scoped keys per agent or environment, capped by spend and restricted to approved models and tools.
Requests route across five channel classes; when one degrades the router reroutes, backed by a 99.5% SLA document.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
SpecialistDirect native access to Google's Gemini models with generous free tiers, but limited to Google's ecosystem.
SpecialistDirect native access to Google's Gemini models with generous free tiers, but limited to Google's ecosystem.
Free / Open-sourceOne API key for hundreds of AI models from every major provider
Free / Open-sourceOne API key for hundreds of AI models from every major provider
Free / Open-sourceOne OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
Free / Open-sourceOne OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
Unified AI inference platform supporting multiple modalities, but less specialized purely for LLM routing.
Unified AI inference platform supporting multiple modalities, but less specialized purely for LLM routing.
Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models
Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models
Free / Open-sourceOne open-source AI gateway for 100+ LLM providers
Unified LLM gateway with chat UI and automatic failover, but smaller user community than established alternatives.
Unified LLM gateway with chat UI and automatic failover, but smaller user community than established alternatives.
High-performance cloud inference hosting open-weight models, but narrower commercial model variety than general gateways.
High-performance cloud inference hosting open-weight models, but narrower commercial model variety than general gateways.
One API key for hundreds of AI models
Enterprise-grade multi-model API gateway with advanced governance, but more complex setup than basic API aggregators.
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
