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AstroWay/api v2.325.0 · docs
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Biorhythm Compatibility

POST
/wellness/biorhythm/compatibility
request.sh
curl -X POST https://api.astroway.info/v1/wellness/biorhythm/compatibility \
-H "X-Api-Key: aw_live_..." \
-H "Content-Type: application/json" \
-d '{ "birthDateA": "1990-06-15", "birthDateB": "1992-03-02" }'

How closely two people’s 23, 28 and 33-day cycles run together: per cycle the phase offset in days and 50 x (1 + cos(2 pi x offset / period)), and their mean. The offset is set at birth, so the figure never changes. A historical model with no evidential support, returned with that disclaimer.

fields
string

Comma-separated dotted paths, relative to data, to keep in the response. A path is applied to every element of an array, so planets.name means the name of each planet. Paths that match nothing come back in _fields_unmatched; a list where nothing matches at all is a 400, because an empty object would be a confident wrong answer.

Example
planets.name,planets.longitude
precision
integer
<= 15

Round every non-integer number in the response to this many decimal places. Integers are left alone, because an id is not a measurement. Ecliptic longitudes ship with fourteen decimals by default; 2 is about a tenth of an arcminute.

Example
4
Idempotency-Key
string
>= 1 characters <= 255 characters /^[\x21-\x7E]+$/

Unique per logical operation, kept across retries. For 24 hours from the first request, a repeat with the same key, method, path, body and query string returns the stored response with Idempotent-Replayed: true and costs 0 credits. The same key with a different body or query string is a 409 IDEMPOTENCY_KEY_REUSED; a repeat while the first is still running is a 409 IDEMPOTENCY_IN_PROGRESS. Only 2xx responses are kept. See /idempotency/.

Example
01HXY2A7ZM0ABCDEF
Media type application/json
object
birthDateA required
string
/^\d{4}-\d{2}-\d{2}$/
birthDateB required
string
/^\d{4}-\d{2}-\d{2}$/
Example
{
"birthDateA": "1990-06-15",
"birthDateB": "1992-03-02"
}

Successful calculation

Media type application/json
object
ok
boolean
data
object
birthDateA
string
nullable
birthDateB
string
nullable
daysApart
number
nullable
cycles
Array<object>
nullable
object
name
string
nullable
periodDays
number
nullable
phaseOffsetDays
number
nullable
syncPercent
number
nullable
overallPercent
number
nullable
formula
string
nullable
disclaimer
string
nullable
Example
{
"ok": true,
"data": {
"birthDateA": "1990-06-15",
"birthDateB": "1992-03-02",
"daysApart": 626,
"cycles": [
{
"name": "physical",
"periodDays": 23,
"phaseOffsetDays": 5,
"syncPercent": 60
}
],
"overallPercent": 59,
"formula": "Per cycle: 50 x (1 + cos(2 pi x offset / period)), where offset is the days between the births modulo the period; 100 means the two curves run together, 0 means one peaks when the other is lowest. Overall is the mean of the three. The offset is fixed at birth, so the figure never changes.",
"disclaimer": "Biorhythm cycles are a 19th-century numerological construct (Fliess 1897, Swoboda 1904) with no evidential support. Returned for entertainment and for parity with charting tools, not as a prediction."
}
}

Validation error

Media type application/json
Example
{
"ok": false,
"error": {
"code": "INVALID_INPUT",
"message": "Validation failed: date: Date must be YYYY-MM-DD",
"details": [
{
"path": "date",
"message": "Date must be YYYY-MM-DD"
}
]
}
}

Missing or invalid API key

Media type application/json
Example
{
"ok": false,
"error": {
"code": "INVALID_API_KEY",
"message": "Invalid API key"
}
}