Planetary positions

GET/planetary-positionsRESTFrom Startup

Get current or historical planetary positions.

Return gates, lines, signs and retrograde state for the planets at a selected moment.

Authentication

Use Authorization: Bearer YOUR_API_KEY or X-Api-Key. Query-key authentication is deprecated compatibility behavior on supported REST routes and is rejected on Agent HTTP and MCP surfaces. Never put credentials in URLs, request bodies, or browser code.

Parameters

NameInRequiredDescription
Idempotency-KeyheaderNoStrongly recommended stable 8–160 character key for consuming operations. Reuse it only when retrying the same request; without it, the API cannot deduplicate a lost-response retry.
hdai-example-19900515
X-Api-KeyheaderYesAPI key used by the authorization middleware.
YOUR_API_KEY
DatequeryNoLocal wall clock date and time to inspect, with no Z and no UTC offset; defaults to now.
2026-08-06T12:00:00
TimezonequeryNoIANA timezone; defaults to UTC.
UTC
Birth times are local wall clock times.
Send the birth date and time exactly as it read on the clock where the person was born, with no Z and no UTC offset. Give the zone separately as an IANA identifier. Date=1990-05-15T14:30:00 with Timezone=America/New_York means half past two in the afternoon in New York.

Deprecated: Values ending in Z or a numeric offset are deprecated. They are still accepted for now: the API reads them as UTC and calculates from that, and the response carries Deprecation: true along with a Warning header naming this rule. They will stop being accepted, and the date will be announced in advance. Read the full rule.

Quota effect

A valid authorized execution uses exactly 1 calculation unit immediately before the calculation provider is reached. Invalid input, unresolved references, unsupported detail levels, and denied tiers use 0 units.

Errors

Expect 400 for invalid input, 401 for a missing or malformed key, 403 when the active plan does not include this operation, and 429 when the monthly allowance is exhausted.

Related operations