Explain Aspect
Detailed explanation of an aspect between two planets.
Headers
Bring your own model key: the LLM provider that should run this completion. Send together with X-Provider-Key or the request is refused: a key with no provider bills us for tokens you meant to pay for, and a provider with no key would look like it worked. The endpoint is fixed per provider on our side and is never taken from the request. There is no fallback to our own chain: if your key fails you get the provider's status and message.
Your own credential for X-Provider. Never logged, stored or cached: it travels in a header because the request body is hashed into two cache keys, and a BYOK turn bypasses both caches in each direction. A provider error that quotes the key back is redacted before it reaches our logs or your response. Such a turn costs 5 credits instead of the endpoint price, and only when a completion actually ran on your key.
Optional model id, overriding the default for that provider. Defaults: openai → gpt-4o-mini, anthropic → claude-sonnet-4-5, google → gemini-2.5-flash, groq → llama-3.3-70b-versatile, mistral → mistral-large-latest, openrouter → meta-llama/llama-3.3-70b-instruct, deepseek → deepseek-chat, together → meta-llama/Llama-3.3-70B-Instruct-Turbo.
Request body
Response
Successful calculation
Example response
{
"ok": true
}Changes
Changed in 3 of the 13 revisions of this API.466
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added the new optional request property
chart/ayanamsanew-optional-request-property
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the
chart/timezoneOffsetrequest property's max was set to14.00request-property-max-set
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the
chart/timezoneOffsetrequest property's min was set to-14.00request-property-min-set
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added the new optional
headerrequest parameterX-Providernew-optional-request-parameter
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added the new optional
headerrequest parameterX-Provider-Keynew-optional-request-parameter
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added the new optional
headerrequest parameterX-Provider-Modelnew-optional-request-parameter
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the request property
chart/latitudebecame not nullablerequest-property-became-not-nullable
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the request property
chart/longitudebecame not nullablerequest-property-became-not-nullable
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the request property
chart/latitudebecame requiredrequest-property-became-required
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the request property
chart/longitudebecame requiredrequest-property-became-required
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the
chart/latituderequest property's max was set to90.00request-property-max-set
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the
chart/longituderequest property's max was set to180.00request-property-max-set
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the
chart/latituderequest property's min was set to-90.00request-property-min-set
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the
chart/longituderequest property's min was set to-180.00request-property-min-set
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the
latituderequest property default value0was removedrequest-property-default-value-removed
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the
longituderequest property default value0was removedrequest-property-default-value-removed
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