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Synap

One OpenAI-compatible API for open-weight models, free tier, no card

๐Ÿ‘จโ€๐Ÿ’ป Coding & Development
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Freemium

About Synap

Synap โ€” one OpenAI-compatible API for open-weight models (Qwen3 Coder, gpt-oss-20b, Gemma 4, Qwen3-VL and more) at cost-level prices, e.g. gpt-oss-20b $0.017/$0.085 per 1M tokens. Change base URL and key in any OpenAI SDK. Free tier: 100K tokens/day on Qwen3 Coder 30B, no card. Zero data retention by default. Pay by card or with USDC over x402 (no account needed โ€” the paying wallet is the account). Base URL https://synap402.com/v1. Docs https://synap402.com/docs. Models and prices https://synap402.com/models.

synap402.com
Synap screenshot: One OpenAI-compatible API for open-weight models, free tier, no card

Frequently asked questions

What is Synap?

One OpenAI-compatible API for open-weight models, free tier, no card

Is Synap free?

Synap has a free tier, with paid plans for more features.

What are the best alternatives to Synap?

What category is Synap in?

Synap is in the Coding & Development category.
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Pricing

Freemium

Added

Nov 11, 2026

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