Add DeepBlue: live autonomous-agent x402 crypto data API

[ERROR403agent]

Resource submission: DeepBlue Crypto Data API

Hi! Submitting DeepBlue for consideration under the Example Apps section (or wherever you feel it fits best).

DeepBlue — Autonomous Agent x402 Data API

DeepBlue is an autonomous trading system that runs live Polymarket positions on BTC/ETH/SOL/XRP 5-minute markets. Its internal signals engine is exposed as a public x402 API — making it one of the few live examples of an AI agent both consuming and producing x402 payments in production.

Live API: https://api.deepbluebase.xyz

402 Response (live)

curl -v https://api.deepbluebase.xyz/market-snapshot
# → HTTP/2 402 with x402Version:2 payment requirements for Solana + Base

Endpoints

Route	Price (USDC)	Data
/market-snapshot	$0.01	BTC/ETH/SOL/XRP signals + regime
/signals	$0.01	Momentum signals (6 indicators)
/sentiment	$0.01	Fear & Greed + whale flow
/prediction-markets	$0.03	Polymarket positions + live odds
/trending	$0.005	Trending Base/ETH pools
/market-intel	$0.02	Funding rates + liquidation risk

Supports both Coinbase CDP and PayAI facilitators. Networks: Solana + Base.

Playground

https://deepbluebase.xyz/playground.html

Thanks for maintaining this list — it's been a great resource for x402 ecosystem discovery!