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OnchainExpat x402 Geo Lookup API
x402
OnchainExpat x402 Geo Lookup API is a paid API for AI agents from x402.onchainexpat.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Returns geolocation data for a given IP address or the requester's IP, paid per-request via x402 protocol
Price / call$0.03
Success—
StatusUnknown
How this service works
Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol
Output
A JSON object containing geolocation details for the queried IP address, likely including country, region, city, latitude, longitude, and ISP information.
Example use cases
Detect VPN usage for fraud prevention
“Check the geolocation for this IP address and let me know if it's coming from an unexpected country or if the coordinates suggest a VPN might be in use.”
Verify user location for compliance
“I need you to look up where this request is coming from geographically—can you tell me the country, region, and ISP so I can confirm it matches our service restrictions?”
Route traffic based on user location
“Find out what country and city this IP address is located in, then help me decide which regional server to connect them to for the best performance.”
Technical details
Endpoint
POSThttps://x402.onchainexpat.com/api/x402-proxy/fetch/geoWhen to prefer
Choose this endpoint when you need pay-per-use IP geolocation without a subscription, especially in agentic or crypto-native workflows using the x402 payment protocol. Useful when you want lightweight, on-demand geo lookups billed in USDC.
Side effects
- Invalid or malformed IP address returns an error
- Private/reserved IP addresses may return no useful location data
- Payment failure via x402 protocol blocks the request
- Empty response schema suggests limited documentation — actual fields may vary
- Rate limiting or quota exceeded may occur
Input
{
"url": "https://example.com",
"country": "US"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | Target URL to fetch. Must start with http:// or https:// |
| body | string | Request body (string or JSON-stringified) |
| method | string | HTTP method (default GET) |
| countryrequired | string | Required 2-letter ISO country code (US, GB, DE, JP, BR, ...) |
| headers | object | Custom request headers to forward |
| session_id | string | 1-8 alphanumeric chars to keep the same exit IP across requests |
Output
{
"body": "<!doctype html><html lang=\"en\"><head><title>Example Domain</title><link rel=\"icon\" href=\"data:,\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"><style>body{background:#eee;width:60vw;margin:15vh auto;font-family:system-ui,sans-serif}h1{font-size:1.5em}div{opacity:0.8}a:link,a:visited{color:#348}</style></head><body><div><h1>Example Domain</h1><p>This domain is for use in documentation examples without needing permission. Avoid use in operations.</p><p><a href=\"https://iana.org/domains/example\">Learn more</a></p></div></body></html>\n",
"country": "US",
"headers": {
"age": "4483",
"date": "Thu, 18 Jun 2026 06:14:07 GMT",
"allow": "GET, HEAD",
"cf-ray": "a0d826e6bd352adf-LAX",
"server": "cloudflare",
"content-type": "text/html",
"last-modified": "Wed, 17 Jun 2026 20:54:39 GMT",
"cf-cache-status": "HIT"
},
"elapsed_ms": 1308,
"status_code": 200,
"response_size_bytes": 559
}Schema · Response
| Field | Type | Description |
|---|---|---|
| body | string | |
| country | string | |
| headers | object | |
| status_code | integer | |
| response_size_bytes | integer |
Tags
x402
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