LowRouter

LowRouter

Carbonifer
RelaySwitch

RelaySwitch

Uplink Switch
+
+

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About

LowRouter is a European AI gateway for agents and apps, providing one API key and one bill in euros for language models from European and international providers. Set routing rules per API key, including EU-sovereign providers only, lower-carbon routing, lower-cost routing, or a combination. Responses report the provider and region, with an estimated carbon figure when model data supports it. Coding agents such as OpenCode, Claude Code, and Cline can use LowRouter as a custom provider. Apps built with LangChain or the OpenAI SDK can also connect. Aliases let you switch models or providers without changing code, and automatic routing can send eligible requests to another provider when a route fails. The public model catalogue can be searched by sovereignty and carbon intensity. Tokens are billed at provider prices without a per-token markup; credit top-ups carry a fee, and there is no subscription. LowRouter is operated by Carbonifer SAS in Nantes, France.

About

RelaySwitch is a hosted AI model API gateway for developers who want to call models from multiple providers through a shared endpoint and account. It exposes an OpenAI-compatible API and supports the Anthropic Messages format for Claude models, allowing compatible SDKs and developer tools to connect by changing the base URL and API key. Its catalog covers chat, image, video, speech and 3D models, with model identifiers and token rates. Usage is billed from a prepaid USD balance; input and output rates are listed separately, and cached input may cost less where supported. Customers can add funds through supported card and digital-asset payment methods, without a monthly subscription. RelaySwitch is intended for developers and teams building applications and agents with hosted AI models, and provides API documentation, model listings and setup guides for supported SDKs and tools.

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 companies that run or build AI agents and need EU-sovereign routing, per-request carbon estimates, and one bill in euros.

Audience

Developers, startups and agencies that call LLM APIs and want one key, prepaid billing and crypto or card payment.

Support

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

Support

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

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

€5/top-up
Pay as you go with a €5 minimum credit top-up. Tokens are billed at provider prices without a per-token markup. A 5.5%–8.5% fee plus €0.30 applies to each top-up, depending on billing situation; applicable VAT is added at checkout. Credits expire 12 months after purchase, and there is no subscription.
Free Version Not Supported
Free Trial Supported

Pricing

$10 prepaid
A $10 minimum prepaid top-up adds USD credit. Usage is deducted at model-specific input and output token rates; cached input may have a separate rate where supported. The service has no monthly subscription, and unused balance does not expire. Top-ups accept cards and supported cryptocurrencies, including USDT, USDC, BTC, ETH and SOL.
Free Version Not 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

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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 Not Supported
In Person Not Supported

Training

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

Company Information

Carbonifer
Founded: 2023
France
lowrouter.ai

Company Information

Uplink Switch
Founded: 2026
United States
relayswitch.io

Alternatives

Alternatives

Septor Labs

Septor Labs

CogniRegal Lab (OPC) Private Limited
boldrouter

boldrouter

Cybrient Technologies
Experiential

Experiential

Experiential Labs

Categories

LLM Routers Supported

Categories

LLM Routers Supported

Integrations

Claude Code Supported
Cursor Supported
Vercel AI SDK Supported
Aider Supported
Anthropic Not Supported
Cline Supported
CrewAI Supported
Goose Supported
LangChain Supported
LlamaIndex Supported
OpenAI Not Supported
OpenCode Supported
n8n Supported

Integrations

Claude Code Supported
Cursor Supported
Vercel AI SDK Supported
Aider Not Supported
Anthropic Supported
Cline Not Supported
CrewAI Not Supported
Goose Not Supported
LangChain Not Supported
LlamaIndex Not Supported
OpenAI Supported
OpenCode Not Supported
n8n Not Supported
Claim LowRouter and update features and information
Claim LowRouter and update features and information
Claim RelaySwitch and update features and information
Claim RelaySwitch and update features and information