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SKAdNetwork Data

Updated on Apr 17, 2025
Published on Feb 12, 2025

Postback Data Tiers

	Tier 0	Tier 1	Tier 2	Tier 3
Postback 1	`source-identifier`	`source-identifier` `coarse-conversion-value`	`source-identifier` `conversion-value`	`source-identifier` `conversion-value` `source-app-id` or `source-domain`
Postback 2 + 3	n/a	`source-identifier` `coarse-conversion-value`	`source-identifier` `coarse-conversion-value`	`source-identifier` `coarse-conversion-value`

Postback Measurement Windows

	Window Spans
Postback 1	Days 0-2
Postback 2	Days 3-7
Postback 3	Days 8-35

Fields

Returned by Apple Postback
General and Last Attributed Touch Data fields do not come from the Apple Postback for SKAdNetwork.

General Fields

Field	Type	Description	Example	Availability
`id`	varchar	SKadNetwork Message ID, unique ID created by Branch for every postback received.	e92eb789-2e93-4ada-91d4-b758a900cb2e	SKAN 3+
`timestamp`	bigint	Timestamp representing when Branch received the postback from the ad network.	1620415056299	SKAN 3+
`invalid_reason`	varchar	Reason Branch marks postback from ad network invalid. Only available for skadnetwork-invalid-messages.	INVALID_SIGNATURE	SKAN 3+
`app_id`	bigint	Branch App ID.	638469555697504342	SKAN 3+
`organization_id`	bigint	Branch Organization ID.	862418696042206147	SKAN 3+
`annotation_dollar_3p`	varchar	Branch 3p value of the ad network that sent the postback.	a_tiktok_ads	SKAN 3+
`annotation_conversion_value_mapped_value`	varchar	Mapped value of the conversion value received (as set in the Branch Dashboard).	COMPLETE_REGISTRATION	SKAN 3+
`annotation_customer_event_alias`	varchar	Mapped value of the customer event alias	Purchase1	SKAN 3+
`annotation_revenue_lower`	varchar	Mapped value of the lower revenue value received.	5.0	SKAN 3+
`annotation_revenue_upper`	varchar	Mapped value of the upper revenue value received.	20.0	SKAN 3+

Last Attributed Touch Data Fields

Field	Type	Description	Example	Availability
`last_attributed_touch_data_tilde_ad_set_id`	varchar	Ad set ID - Optional field supplied by some ad partners.	bd7ffd1c-53de-498d-981c-57912fc6de91	SKAN 3+
`last_attributed_touch_data_tilde_campaign_id`	varchar	Campaign ID (non-Apple ID) - Optional field supplied by some ad partners.	64d02bc0-f4d4-41ff-a93e-1e20f8d7f345	SKAN 3+
`last_attributed_touch_data_tilde_campaign`	varchar	Campaign Name - Optional field supplied by some ad partners.	IOS14_Campaign_Male(18-30)_Fantou	SKAN 3+

Body Fields

All of the body fields come from the Apple Postback for SKAdNetwork except for the following field(s):

body_source_domain

Field	Type	Description	Example	Availability
`body_transaction_id`	varchar	A unique value for this validation; use for deduplicating install [and probably conversion] validation messages. This is part of the postback from Apple.	38b64295-0875-4d2e-868a-3969e2fc8e1e	SKAN 3+
`body_version`	varchar	The version of the SKAdNetwork API being used by the publisher app.	2.0	SKAN 2+
`body_ad_network_id`	varchar	ID of the attributed ad network on the postback. This ID is assigned by Apple when an ad network registers for SKAdNetwork.	424m5lk.skadnetwork	SKAN 3+
`body_campaign_id`	integer	Campaign ID which will be a number from 1-100.	47	SKAN 3+
`body_app_id`	bigint	The advertiser app ID - App Store ID.	1350133141	SKAN 3+
`body_attribution_signature`	varchar	Apple’s attribution signature in install/conversion postbacks, that is used to verify the validity of the postback.	MDUCGec/xnWx==	SKAN 3+
`body_redownload`	boolean	If false, the postback represents an install If true, the postack represents a reinstall.	false	SKAN 3+
`body_source_app_id`	bigint	The publisher app ID - App Store ID. This may be not included by Apple if number of postbacks do not reach a certain threshold.	447188370	SKAN 3+
`body_conversion_value`	integer	Conversion value (0-63) on the postback, which represents a post-install action. The highest conversion value that the end user performed in during the timer will be reflected. This may be not included by Apple if number of postbacks do not reach a certain threshold.	15	SKAN 3+
`body_fidelity_type`	integer	If 1, this represents a Store-Kit rendered ad (App Store product page, rendered by Store Kit) If 0, this represents a "View-Through" ad (Custom, provided by ad network).	1	SKAN 3+
`body_did_win`	boolean	If it is true, that will signify that the partner won the claim.	true	SKAN 3+
`body_postback_sequence_index`	integer	Enables marketers to easily distinguish between postbacks 1, 2, and 3. The possible integer values of 0, 1, and 2 signify the order of postbacks that result from the three conversion windows. For more information, see Receiving postbacks in multiple conversion windows.	1	SKAN 4+
`body_source_identifier`	string	The hierarchical source identifier, with 2 or 4 digits (depending on the postback value).	12	SKAN 3+
`body_coarse_conversion_value`	string	A coarse value, if the app provides one.	low	SKAN 4+
`body_source_domain`	For attributable web ads.	Ad set name - Optional field supplied by some ad partners. Does not come from the Apple Postback.	IOS14-Install-Male(18+)	SKAN 3+

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