---
title: "Biorhythm (SVG)"
method: POST
path: "/render/biorhythm"
tags: ["Visualization"]
---

# Biorhythm (SVG)

`POST /render/biorhythm`

Three-curve sine plot of physical (23d), emotional (28d), and intellectual (33d) cycles since birth.

## Request body

- BiorhythmRender
  - `birthDate` string, required
  - `rangeStart` string, required
  - `rangeEnd` string, required
  - `options` object
    - `size` integer
    - `theme` 'light' | 'dark' | 'console'
    - `showAspects` boolean
    - `showRetrograde` boolean
    - `title` string
    - `format` 'svg' | 'json'
    - `width` integer
    - `height` integer

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `svg` string, nullable
    - `format` string, nullable
    - `byteLength` number, nullable

## Other responses

- `400` — Validation error
- `401` — Missing or invalid API key

---

[API](https://skmtc.net/astroway/apis/astroway-calculation-api.md) · [All operations](https://skmtc.net/astroway/apis/astroway-calculation-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/astroway/astroway-calculation-api/revisions/6828e5609564/schema)