Version 1.0\
October 2026
1. Introduction
2. Endpoint
3. Authentication
4. Alert Selection
5. Request Examples
6. Response Format
7. Field Description
8. Error Handling
9. Rate Limits
10. Best Practices
11. Contact
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The GMA Alert API allows external software to retrieve current and
future public GMA alerts.
The API uses the same GMA read API keys as the GMA Spot APIs.
JSON is UTF-8 encoded.
All date and time values use UTC.
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GET /api/alerts/
Full URL:
https://www.gma.rocks/api/alerts/
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A valid GMA read API key is required.
Preferred:
X-API-Key header
Example:
X-API-Key: GMA-xxxxxxxx
Alternative:
?key=GMA-xxxxxxxx
API keys with the GMS prefix are intended for spot submission and cannot
be used as read keys.
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The API returns only public alerts whose scheduled date and time are
current or in the future.
The following alerts are not returned:
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Preferred:
bash
curl -H "X-API-Key: GMA-xxxxxxxx" https://www.gma.rocks/api/alerts/
Alternative:
bash
curl "https://www.gma.rocks/api/alerts/?key=GMA-xxxxxxxx"
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6. Response Format
Example:
json
{
"SOURCE": "Global Mountain Activity (GMA)",
"RECORDS": "2 current/future alerts",
"TIMESTAMP": 1790810298,
"RCD": [
{
"ID": 278236,
"DATE": "20261001",
"TIME": "0800",
"POSTER": "DL2DXA",
"ACTIVATOR": "DL2DXA/P",
"REF": "DA/SX-495",
"QRG": "7031 10119 14061-CW",
"TEXT": "DLFF-0056"
},
{
"ID": 278276,
"DATE": "20261001",
"TIME": "1340",
"POSTER": "DJ2MX",
"ACTIVATOR": "DJ2MX/P",
"REF": "DL/AM-134",
"QRG": "HF-CW",
"TEXT": "With Alex DL5AZZ"
}
]
}
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7. Field Description
Field Description
----------- ---------------------------------------------------------
SOURCE Data source
RECORDS Number and type of returned records
TIMESTAMP Unix timestamp of the API response
RCD Array containing the alert records
ID Unique GMA alert ID
DATE Alert date in YYYYMMDD format, UTC
TIME Alert time in HHMM format, UTC
POSTER Callsign of the user who posted the alert
ACTIVATOR Callsign of the announced activator
REF GMA or supported programme reference
QRG Announced frequency/frequencies and/or mode information
TEXT Alert comment or additional information
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8. Error Handling
HTTP Meaning
------ -----------------------------
200 Success
401 Missing API key
403 Invalid or inactive API key
429 Rate limit exceeded
500 Internal error
Example for a missing API key:
json
{
"ok": false,
"error": "missing_api_key",
"message": "An API key is required for this API.",
"source": "GMA Alert API",
"website": "https://www.gma.rocks"
}
Example for rate limiting:
json
{
"ok": false,
"error": "rate limit exceeded",
"message": "Please request gma.rocks alerts not more than once per minute."
}
A 429 response may include a Retry-After header indicating how many
seconds remain before another request is allowed.
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Maximum one request per minute.
Maximum 1440 requests per UTC day.
Every request counts, including requests rejected because they were made
too frequently.
Rate limit information is also returned in HTTP headers:
Website
https://www.gma.rocks
Support
support@gma.rocks
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© 2026 Global Mountain Activity
Thank you for supporting the GMA community.