Managed Auth
Drop-in auth components with login, balance and top-ups
Your Profit
Token Spend
Zero-cost Infra
Users pay usage, Echo settles costs and returns your share
Unified Gateway
Echo SDK serves all frontier models behind a single gateway
Free & OSS
No fees by default. 2.5% fees on profits
Distribution Ready in Seconds
Change 5 lines from the Vercel AI SDK and you're production ready.
No API keys. No metering. No Stripe.
One Balance, Every Model, Every App
Your Echo balance is shared across all Echo-powered apps. Pay once, use everywhere.
$1,812.67
Your Universal Balance for LLM Access
Toolkit.dev
Jason Hedman
Configurable tool-calling chatbot with generative UI
$156.78
561
Shirtslop
Ryan Sproule
Generate and print custom shirts from AI images
$212.91
123
EchoVibes
Sam Ragsdale
An improved fork of Vercel's OSS vibe coding app
$348.63
488
EchoBanana
Sam Ragsdale
Generate images using Google's new Nano Banana model
$569.63
108