air_quality_lookup $0.003 per call
Current air quality (PM2.5, PM10, US AQI, European AQI) for a given latitude/longitude via https://air-quality-api.open-meteo.com/v1/air-quality.
For AI agents: call air_quality_lookup
POST https://toll402.dev/v1/t/air_quality_lookup
{
"latitude": 52.52,
"longitude": 13.41
}Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server:
npx -y toll402-mcp · remote https://toll402.dev/mcp.Input schema
{
"type": "object",
"properties": {
"latitude": {
"type": "number",
"minimum": -90,
"maximum": 90
},
"longitude": {
"type": "number",
"minimum": -180,
"maximum": 180
}
},
"required": [
"latitude",
"longitude"
]
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}