Marketplace · API · x402

synap402.com/api/billing/x402/chat/completions

Synap by Linkrra — OpenAI-compatible chat completions for coding and agent workloads on dedicated GPUs. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. First call free per new wallet (cheap models, up to 512 tokens, non-streaming, daily cap). Self-hosted open models use 4-bit weights. From $0.001 per call. Streaming supported: https://synap402.com

Endpoint	`https://synap402.com/api/billing/x402/chat/completions`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x1f291B5B41B6E5ffbDc4f2ad8b5F45811438184a
method	POST
last updated	2026-11-14T03:07:30.023Z

Use it

Call it (an x402 client pays automatically)

curl -i https://synap402.com/api/billing/x402/chat/completions
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-cbbebd52ee9b1f20

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

synap402.com/api/billing/x402/chat/completions

Use it

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