5 min read · updated 2026-08-31
How to use an OpenAI-compatible API base URL
A practical guide to changing the base URL, creating an API key and sending your first Responses request.
Read guide →Model.sale guides · reviewed 2026-09-11
Build with model APIs.
Reviewed integration guides and dated API comparisons. Every factual comparison links to primary sources and states the billing assumptions it uses.
6 min read · updated 2026-08-31
Prepaid AI API pricing: tokens, reservations and limits
Understand per-million-token pricing, temporary reservations and the limits that protect a prepaid API balance.
Read guide →4 min read · updated 2026-08-31
Using a custom AI API endpoint in Cursor
A safe checklist for connecting Cursor to a compatible model API without exposing an API key.
Read guide →9 min read · updated 2026-08-31
Model.sale vs OpenRouter: prepaid simplicity or provider breadth?
A practical, dated comparison of a prepaid single-service API and OpenRouter's multi-provider routing model.
Read guide →10 min read · updated 2026-08-31
Together, Fireworks or Groq? How to compare open-model APIs
A decision guide for developers comparing open-model inference platforms, latency-focused APIs and a prepaid gateway.
Read guide →9 min read · updated 2026-09-03
Prepaid AI API in 2026: how to compare token cost, latency and limits
A practical framework for comparing prepaid AI APIs with official and multi-provider billing without misleading discount claims.
Read guide →8 min read · updated 2026-09-07
The cheapest ChatGPT API is not the one with the lowest price
A practical way to compare ChatGPT-compatible APIs using the same token mix, streaming test and final settled charge.
Read guide →9 min read · updated 2026-09-10
Baidu Qianfan vs DeepSeek vs GLM: choosing a Chinese model API
A practical comparison of Chinese model APIs based on compatibility, billing, reliability and commercial-use checks.
Read guide →8 min read · updated 2026-09-11
ChatGPT API, Codex or GLM? Choosing the right endpoint
A practical guide to ChatGPT-compatible Responses, Codex clients and GLM Chat Completions with one prepaid API key.
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