Authentication
Sign in
Make sure you're passing all Security headers or you might stumble upon {"code":28,"message":"ACCOUNT_BANNED","profileId":null,"type":1,"reason":null,"isBanAutomated":true,"thirdPartyUserIdToShow":null,"banSubReason":null} — but don't fret — it's a fake error, your account isn't banned and API simply blocked your request, not account.
POST /v8/sessionsBody:
email— string with emailpassword— string with password, don't specify if usingauthTokenauthToken— string obtained from login+password flow ornulltoken— FCM (push service) string ornullgeohash— geohash string ornull
Response:
profileId— string with numbers, account's IDsessionId— Session IDauthToken— string, Auth token for session refresh
Errors:
ACCOUNT_BANNED— could be malformed requestINVALID_INPUT_PARAMETERS— incorrect credentials
SessionCreateRequest
email— string with emailpassword— string with password, don't specify if usingauthTokenauthToken— string obtained from login+password flow ornulltoken— FCM (push service) string ornullgeohash— geohash string ornull
AuthSessionResponse
profileId— string with numbers, account's IDsessionId— Session IDauthToken— string, Auth token for session refresh
Session ID
JWT obtained from authentication flow. Decoded JWT content:
Headers claims structure:
kid— key IDalg—"RS256"typ—"JWT"
Payload claims:
exp— number, unix timestamp in seconds defining token expiration dateprofileId— string with numbers, account's IDroles— unknown array, appears to be emptyfeatures— array of strings, e.g."HidePremiumStore","CreateVideoCall","VideoCallDailyFree"featureFlags— array of strings, e.g."profile-insights","online-until-updates","enable-account-filters-bulk-exposure","a-list-v3","discover-v2","boost_purchase_fixes","discover-studfinder-upsell"experiments— object with experiment name → variant string, known keys:explore-paywall-profiles— string, e.g."test"limiting_chat_credits_from_unlimited_to_5_for_xtra_users_in_explore— string, e.g."treatment"validation-aa-backend-profileid— string, e.g."test"grindr-core-day-pass— string, e.g."control"llm-age-verification-methods— string, e.g."variant_b"trans_tribe_filtering_changes— string, e.g."Test"green_dot_v2— string, e.g."treatment-1"sponsored-profiles-cascade-selection-mode— string, e.g."treatment"read-receipt-ad-reward— string, e.g."variant_2"taps-paywall— string, e.g."treatment-1"explore-insertables-v1— string, e.g."treatment-insertables-below-mpu"reduce_number_of_free_profiles_from_99_to_90— string, e.g."test"cascade-mpu-explore-studfinder-2026-03-12— string, e.g."control"reduce_number_of_results_with_age_filter_for_free_users— string, e.g."test"mpu-heuristic-algorithm-optimizations-q125— string, e.g."control"ships_in_the_night_v3— string, e.g."treatment"cascade-mpu-disable-poc-heuristic-2026-03-02— string, e.g."treatment"for-you-recsys-v1_1— string, e.g."control"cascade-mpu-studfinder-profile-limit-2026-03-12— string, e.g."treatment"reduce_free_user_results_with_any_filter— string, e.g."control"cascade-mpu-studfinder-unlimited-2026-02-02— string, e.g."treatment"mpu-rest-of-world— string, e.g."treatment"top_18_mpu_profiles_are_online_in_extended_cascade_and_explore— string, e.g."control"for-you-v2— string, e.g."Test"rewarded-ads-viewed-me-v2— string, e.g."variant_1"mega-boost-v1— string, e.g."mega-boost-low"
systemTime— unix timestamp in millisecondsupsells— unknown object, appears to be emptyrestrictionReason— unknown value, appears to benullgrit— unknown UUIDv4 string