Pay-as-you-go
Call leading AI models through one OpenAI-compatible API. Billed per token in USD — no subscription, no seat fees.
Products on this page are billed from your USD balance only. USD balance and data-product credits are separate and never interchangeable. Enterprise customers can consolidate wallets — contact sales.
curl https://hermes.spider.yesy.dev/v1/chat/completions \
-H "Authorization: Bearer $YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-sonnet-4-5",
"messages": [{"role": "user", "content": "Hello"}]
}'How pay-as-you-go model billing works
Looking for data product pricing? View Data Products pricing