Place search

Search OpenStreetMap for places by keyword, optionally restricted to a bounding box or country. Send GET /api/place-search with the required field q and pay $0.001 per call over x402 or MPP (there is no free tier). It returns a JSON object with query, count, results and source.

Returns ranked hits with coordinates and place type - e.g. coffee shops in a city, airports in a region. ?q=coffee&viewbox=-122.52,37.81,-122.35,37.70&bounded=1.

Category: Live public data · Tags: places poi search openstreetmap nominatim maps

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Parameters

Example request

curl -i "https://agent402.tools/api/place-search?q=Eiffel+Tower&limit=3"

Without payment this returns HTTP 402 Payment Required with the exact price for place-search; any x402 v2 or MPP client pays it and retries.

Example response

{
  "query": "Eiffel Tower",
  "count": 1,
  "results": [
    {
      "displayName": "Eiffel Tower, 5, Avenue Anatole France, Quartier du Gros-Caillou, Paris 7e Arrondissement, Paris, …, France",
      "lat": 48.8582599,
      "lon": 2.2945006,
      "type": "attraction",
      "class": "tourism",
      "importance": 0.84,
      "osm": "way/5013364",
      "boundingBox": {
        "south": 48.8574753,
        "north": 48.8590453,
        "west": 2.2933342,
        "east": 2.2956671
      }
    }
  ],
  "source": "nominatim.openstreetmap.org (ODbL)"
}

From an MCP client

catalog.call {
  "slug": "place-search",
  "params": {
    "q": "Eiffel Tower",
    "limit": 3
  }
}

The hosted connector at https://agent402.tools/mcp needs a payment for place-search; the stdio package pays it from a wallet or from AGENT402_CREDITS_KEY. Local install: npx -y agent402-mcp.

Errors and behavior

• q is required. An input the tool rejects returns an HTTP 4xx whose body carries error, tool, expected, required and example, so the caller can correct it.
• A paid call that ends in any status of 400 or above is not charged over x402, MPP or a prepaid credits key: settlement is cancelled when the tool fails. The exception is a Tempo push credential, a transfer the buyer sent before the call: it settles before the tool runs, so if the tool then fails the payment is recorded as a refund owed to the paying wallet.
• Wallet-only: this tool reaches the network or stored state, so it has no proof-of-work tier. A prepaid card-credits key issued earlier (Authorization: Bearer a402_...) also pays it.
• Cached: an identical request within 1h is answered from cache with X-Cache: hit.
• A POST with a JSON body to /api/place-search is served as this GET, with the body as the input.
• An Idempotency-Key header makes a retried paid call replay the first 200 instead of charging again (an answer larger than 1 MB is not replayed).

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
client.setSpendControls?.(false); // keep your own spending ceiling in code
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/place-search?q=Eiffel+Tower&limit=3");

Part of these workflows

Place search is one step in this skill pack, each sold as a single call:

• Location intel - Point at an address (or even a rough place name) and assemble the situational brief: precise coordinates, the canonical postal address, what's within walking distance, the live weather forecast, active NWS hazard alerts, and recent seismic activity. The deterministic 'what should I know about this place right now?' workup.

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