Geographic Restrictions

Openfish blocks order placement from certain locations for regulatory and sanctions compliance. Applications should implement geoblock checks to give users feedback before they attempt to trade.

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Endpoint

GET /api/geoblock

Base URL: https://api.openfish.fun

Authentication

None required.

Parameters

None. The endpoint uses the requesting IP address and proxy/CDN headers to determine location.

Response

{
  "blocked": false,
  "closeOnly": false,
  "ip": "203.0.113.42",
  "country": "JP",
  "region": ""
}

Field	Type	Description
blocked	boolean	Whether the user is fully blocked from trading
closeOnly	boolean	Whether the user is in close-only mode (can sell but not buy)
ip	string	Detected IP address
country	string	ISO 3166-1 alpha-2 country code
region	string	Region/state code (if available)

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Blocked Countries

Fully restricted — all trading operations blocked:

Code	Country
US	United States
BY	Belarus
CU	Cuba
IR	Iran
IQ	Iraq
CI	Cote d’Ivoire
LR	Liberia
KP	North Korea
SD	Sudan
SY	Syria
ZW	Zimbabwe
MM	Myanmar

Close-Only Countries

Users can close/sell existing positions but cannot open new ones:

Code	Country
PL	Poland
SG	Singapore
TH	Thailand
TW	Taiwan

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Example

curl https://api.openfish.fun/api/geoblock

IP Detection

The endpoint extracts the client IP from proxy headers in this order of priority:

1. CF-Connecting-IP (Cloudflare)
2. X-Real-IP
3. X-Forwarded-For (first IP)

Country is determined from CF-IPCountry or X-Country-Code headers.