Map a US latitude/longitude to its FCC spectrum-licensing geographies — Cellular Market Area (CMA), Basic Trading Area (BTA), Major Trading Area (MTA), Partial Economic Area (PEA), and the BEA/EAG/MEA/REAG economic areas — plus the 2020 Census block FIPS, county, and block population. Keyless, public-domain (FCC). These market areas define spectrum-license boundaries (which CMA/BTA/PEA a point falls in) — distinct from ordinary geocoding, and not derivable by an LLM.
/api/telecom/market-areaPAYMENT-SIGNATURE.The market area API is a pay-per-call telecom endpoint built for AI agents and autonomous software. Map a US latitude/longitude to its FCC spectrum-licensing geographies — Cellular Market Area (CMA), Basic Trading Area (BTA), Major Trading Area (MTA), Partial Economic Area (PEA), and the BEA/EAG/MEA/REAG economic areas — plus the 2020 Census block FIPS, county, and block population.
There is no signup and no API key. An agent (or any HTTP client) hits the endpoint, receives an x402 "402 Payment Required" challenge, signs a sub-cent USDC payment on Base or Solana, and retries — the data comes back on the paid request. That makes it a drop-in market area data source for an agent tool-use loop, an MCP host, or a backend that needs telecom data on demand without onboarding to yet another vendor portal.
| Name | Type | Description |
|---|---|---|
latrequired | number | min -90 · max 90 |
lonrequired | number | min -180 · max 180 |
# 1. Probe with no auth → 402 envelope with PaymentRequirements curl -sS 'https://2s.io/api/telecom/market-area?lat=-90&lon=-180' # 2. Sign + retry with PAYMENT-SIGNATURE: curl -sS 'https://2s.io/api/telecom/market-area?lat=-90&lon=-180' \ -H 'PAYMENT-SIGNATURE: <base64-json-payload>' # Or use the canonical runner (handles probe → sign → retry): # EVM_PRIVATE_KEY=0x... node --env-file=.env.local \ # --experimental-strip-types scripts/x402-pay.ts \ # 'https://2s.io/api/telecom/market-area?lat=-90&lon=-180'
import { TwoS } from '@2sio/sdk'
const client = new TwoS({
privateKey: process.env.EVM_PRIVATE_KEY as `0x${string}`,
})
const result = await client.telecom.marketArea({
"lat": -90,
"lon": -180
})
console.log('endpoint:', result.endpoint)
console.log('cost:', result.costUsd, 'USDC')
console.log('tx:', result.settlement?.txHash)
console.log('data:', result.data)import os
from twosio import TwoS
client = TwoS(private_key=os.environ["EVM_PRIVATE_KEY"])
result = client.telecom.market_area(lat=-90, lon=-180)
print("endpoint:", result.endpoint)
print("cost:", result.cost_usd, "USDC")
print("tx:", (result.settlement or {}).get("tx_hash"))
print("data:", result.data)// 1. Add @2sio/mcp to your MCP host config (Claude Desktop example below).
// EVM_PRIVATE_KEY funds x402 payments per call.
// claude_desktop_config.json
{
"mcpServers": {
"2sio": {
"command": "npx",
"args": ["-y", "@2sio/mcp"],
"env": { "EVM_PRIVATE_KEY": "0x..." }
}
}
}
// 2. Once the server is running, agents call this tool via standard MCP:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "telecom.market-area",
"arguments": {
"lat": -90,
"lon": -180
}
}
}| Field | Type | Description |
|---|---|---|
ok | boolean | one of: true |
items | array | |
total | integer | Total matching rows upstream; null when unknown. |
source | object |
{
"ok": true,
"items": [
{
"lat": 1,
"lon": 1,
"blockFips": "example",
"countyFips": "example",
"county": "example",
"state": "example",
"stateFips": "example",
"blockPopulation2020": 1,
"spectrumMarkets": {
"cellularCMA": "example",
"basicTradingBTA": "example",
"majorTradingMTA": "example",
"partialEconomicPEA": "example",
"economicAreaBEA": "example",
"economicAreaGroupingEAG": "example",
"majorEconomicMEA": "example",
"regionalEconomicREAG": "example"
}
}
],
"total": 1,
"source": {
"provider": "example",
"url": "example",
"license": "example"
}
}