What is ZenLLM?
ZenLLM connects your application to a choice of AI models through one API account. It is a third-party routing service, not the model developer or a direct account with a model provider.
What ZenLLM does
ZenLLM is an independent, prepaid API for accessing multiple third-party AI models through one account. It offers OpenAI-compatible and Anthropic-compatible endpoints, per-model token pricing and provider failover when a route is unavailable.
How billing works
You add credits before using the API. Requests are metered against the published model rates, and your account shows charges and available usage details. Credits do not expire. Check the live catalog for current prices because models and rates can change.
What to check before buying
Confirm the model you need is in the catalog, review its current rate and capabilities, and check the API status and refund terms. You can start with a small top-up; the minimum is $1. Support is available through the ZenLLM Discord community.
Data and availability
API prompts and outputs pass through ZenLLM to the model service handling each request. ZenLLM does not save them as API conversation history, but does not promise zero retention across third-party routes. Provider availability and routing can change; failover improves resilience, not guaranteed uptime.