402 Crypto FAQs

Question 1

How does 402 Crypto improve upon raw exchange APIs?

Accepted Answer

It integrates data from 7 independent sources, provides multi-timeframe analysis, includes per-source reliability scoring, tracks data staleness, declares explicit limitations, and delivers all data in a unified JSON format, unlike varied raw APIs.

Question 2

How can I access data from 402 Crypto?

Accepted Answer

You can access data via an MCP (Model Context Protocol) client for LLMs, a standard REST API with an API key, or through the x402 autonomous payment protocol on Arbitrum, which requires no account for pay-per-use access.

Question 3

What is the x402 protocol and why is it beneficial?

Accepted Answer

The x402 protocol enables autonomous, pay-per-use payments for data using USDC on Arbitrum. It allows AI agents to discover, connect, and pay for data programmatically without needing traditional accounts or API keys, offering sub-cent gas fees and ~250ms finality.

Question 4

What is 402 Crypto and who is it for?

Accepted Answer

402 Crypto provides analysis-ready Bitcoin perpetuals market data as structured JSON. It's specifically curated for AI agents, LLMs, and professional trading systems, offering intelligence rather than raw data dumps.

Question 5

What types of Bitcoin market data does 402 Crypto offer?

Accepted Answer

402 Crypto offers 36 diverse data products across multiple tiers. These include real-time snapshots (price, funding), standard indicators (RSI, MACD, Bollinger Bands), on-chain metrics (SOPR, supply in profit), and advanced composite signals, all in a battle-tested format.

402 Crypto

402 Crypto

Key Features

Use Cases

Key Features

Use Cases