messari-x402

Installation
SKILL.md

Messari x402 API

Goal

Make pay-per-request HTTP calls to Messari's API using USDC on Base Mainnet. No API key required — the CLI handles the 402 payment flow automatically.

Prerequisites

  1. Wallet with USDC on Base: mp token balance list --wallet main --chain base
  2. Small ETH on Base for gas
  3. If no USDC: bridge from Ethereum or swap via mp token swap --chain base

Core command

mp x402 request \
  --method <GET|POST> \
  --url "https://api.messari.io<path>" \
  --body '<json>' \        # POST only
Related skills
Installs
22
Repository
moonpay/skills
GitHub Stars
107
First Seen
Mar 21, 2026