Welcome to sentiment402

Welcome! Sentiment402 is a pay-per-request API that delivers hourly market context as structured JSON.

What you'll find here

  • Introduction: Learn what Sentiment402 does and how it works

  • Quickstart: Make your first paid request in 5 minutes

  • Endpoints: API reference and query parameters

  • Examples: Code samples in TypeScript and Python

  • Use Cases: Real-world integration patterns

Quick facts

  • Price: $0.02 per request (USDC)

  • Payment: Pay with USDC on Base or Solana (no API keys needed)

  • Updates: Hourly snapshots with market sentiment and narratives

  • Formats: Full JSON or compact trading payloads

Ready to get started? Jump to the Quickstart guide.

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