# BridgeNode

> AI inference bridge. No API keys. Pay with Solana USDC via x402.

## OpenAI-compatible endpoint
- URL: https://bridgenode.cc/v1
- Models: deepseek-v4-flash, deepseek-v4-pro, groq-llama-3.3-70b
- Authentication: x402 (PAYMENT-SIGNATURE header)
- Network: Solana mainnet (USDC)
- Gasless: facilitator covers SOL fees

## MCP endpoint
- URL: https://bridgenode.cc/mcp
- Transport: Streamable HTTP (only; HTTP+SSE is deprecated, SEP-2596)
- Authentication: x402 handshake

## Supported clients
- Any OpenAI-compatible client with x402 support
- Claude Code, Codex, Cursor, Windsurf
- Solana `pay` CLI (native Solana x402 client)
- MCP-compatible agents

## Agent skill
- Install: `npx skills add applefanaimail-blip/bridgenode-skill`
- Source: https://github.com/applefanaimail-blip/bridgenode-skill
- Skill file: https://bridgenode.cc/skill.md

## Quick start (x402 V2 flow: request → 402 → sign → retry)
# 1) Request — response: 402 PAYMENT-REQUIRED (price, payTo, memo)
curl https://bridgenode.cc/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek-v4-flash","messages":[{"role":"user","content":"hello"}]}'

# 2) Sign the partial TX (USDC TransferChecked + Memo) and retry with header:
#    PAYMENT-SIGNATURE: <base64 PaymentPayload — see §3.2>
curl https://bridgenode.cc/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "PAYMENT-SIGNATURE: <base64 PaymentPayload>" \
  -d '{"model":"deepseek-v4-flash","messages":[{"role":"user","content":"hello"}]}'

## Pricing
- Prices are generated from config.yml (§8.5) — page: https://bridgenode.cc/models