Almost every customization parameter can also be passed via the URL query string — useful for standalone links and web embeds where postMessage isn't convenient. Applies to: All integrations.

Two URL modes:

1. Single encoded payload (recommended for complex configs): ?data=<base64-encoded JSON> — the entire parameter object, base64-encoded. When present, it replaces all other individual query params.

2. Individual plain parameters: ?age=25&gender=male&style=dark&showSilhouette=false — each parameter as a plain key/value. Values are automatically type-converted: known boolean parameters accept true/false/1/0, known numeric parameters are parsed as numbers, and values that look like JSON (starting with [ or {) are JSON-parsed.

Precedence: values sent via postMessage override URL values (URL acts as defaults) — with two exceptions that work the other way around:

Type-converted parameter names (when passed individually in the URL):

• Booleans: isHideHeaderMain, isDrawingPose, resetPlanProgress, hideFeelingDialog, hideOtherGender, includeRealtimeAccuracy, showSilhouette, showDebugRecording, showFormGuidance, streamFormGuidance, includePoseBorders, showLeaderboard, shouldAskCamera, shouldShowCameraSelector, showSettings, motionTrackingSettingOn, motionTrackingEnabled, selfModeEnabled, start_from_rest, enableM4a, nativeParentScroll, isHorizontalMode, hideConnectTvButton, legacyRestScreen, customProfileAction, customCalendarAction, hideCalendarButton, hideProfileButton, captureDateOfBirth
• Numbers: age, height, weight, countdown, reps, minPoseDetectionConfidence, minTrackingConfidence, minPosePresenceConfidence, tugMinRequiredSpace

Other booleans in the URL: most booleans not in the list above arrive as text, which the SDK does not read reliably (isSubscribed is the exception: "false" works). For example, ?shouldSendStats=false turns saving on, and ?immediateShowSkip=true is ignored. Pass these booleans with postMessage or inside ?data= instead (for example shouldSendStats, disableCookies, disableGuide, autoSubmitLeaderboard, hideCompletionOverlay, immediateShowSkip, motionDataEnabled).

Parameters not in these lists arrive as strings (or JSON-parsed objects/arrays) — the same scoping rules from their sections apply.

Exception — `includePoseData`: this parameter is a string array and cannot be passed as an individual URL query param (the value would not survive URL type conversion). Pass it via postMessage or inside the ?data=<base64 JSON> payload instead.