$0.005
per call · USD Coin on Base
SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.005 USDC x402 Base.
Endpoint
POST https://api.hergertsynthora.com/v1/air-quality4
Calls / 30d
3
Unique payers / 30d
Sep 3
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://api.hergertsynthora.com/v1/air-quality", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"input": "Delhi"
}),
});
const data = await res.json();curl -X POST \
"https://api.hergertsynthora.com/v1/air-quality" \
-H "Content-Type: application/json" \
-d '{"input":"Delhi"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"niche": "air_quality",
"ok": true,
"receipt": {},
"result": {}
}Payment details
0xef879bfd6c4accb8f795136de90246e1ec245e06USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of AI & Inference and the homepage with a featured placement.
More from SYNTHORA & similar services
SYNTHORA · WHO GHO Timeseries
api.hergertsynthora.com
SYNTHORA who-gho-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — public-health data for research and policy agents. $0.005 USDC x402 Base. Ratings: GET /v1/ratings/who-gho-timeseries.
SYNTHORA · Defi Yields
api.hergertsynthora.com
SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.005 USDC x402 Base.
SYNTHORA · Bitcoin Fees
api.hergertsynthora.com
SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.