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Glossary

Affiliate and app install terms, in plain language.

Pricing models, tracking and postbacks, traffic and fraud. One line each, and a full page for the terms people look up most.

41 terms

A

afos_click_id
The click ID we add to an advertiser's destination URL on every tap. The advertiser sends it back with each event. Capture afos_click_id
Action ID
The ID of one conversion, sent as action_id on its postback. A reversal repeats the same ID. Postback parameters
API key
A secret that identifies your account to our API. Publisher keys start with pk_, network and advertiser keys with ak_. Each is shown once. Create, rotate and revoke keys
App Tracking Transparency
Apple's rule that an app must ask before tracking an iPhone user across other companies' apps and sites. What is App Tracking Transparency?
Attribution
Working out which click led to an install or an event. What is mobile attribution?

C

Cap
A limit on how many conversions an offer accepts, usually per day. Daily caps
Click ID
A unique ID we give each tap, so a later install or event can be matched back to it. What is a click ID?
Conversion
A step the advertiser's tracking confirmed, so it can be paid. Conversion statuses
CPA
Cost per action. The advertiser pays for a defined action, such as a sign-up or a first deposit. CPA meaning
CPA network
A company that connects advertisers who pay per action with publishers who send them users. What is a CPA network?
CPE
Cost per event, often called cost per engagement. The advertiser pays for an action inside the app, such as reaching a level. CPE meaning
CPI
Cost per install. The advertiser pays each time a user installs and opens the app. CPI meaning
CVR
Conversion rate: conversions divided by clicks, as a percentage. CVR meaning

E

EPC
Earnings per click: what an offer earned a publisher, divided by the clicks it got. EPC meaning
Event
What an advertiser's server or attribution tool sends us when a player completes a step. Choose events and what each one pays

F

Flight Recorder
The report in your dashboard that traces a conversion from the tap to your postback delivery. Your first conversion

I

Incentivized traffic
Users who complete an offer in exchange for a reward from the app they found it in. What is incentivized traffic?
Install fraud
Installs or events faked or wrongly claimed so someone gets paid for them, such as from device farms and click farms. What is install fraud?
Install-paid offer
An offer that pays the publisher once, when the user installs and opens the app. Later steps reward the player. Install offers: paid once, at install

M

Macro
A placeholder in your postback URL, such as {sub_id}, that we replace with the real value. Postback parameters
Masked channel
A traffic source shown to an advertiser under a code instead of the publisher's name.
MMP
Mobile measurement partner: the attribution tool an advertiser uses to decide which installs came from where. What is an MMP?

N

Non-incentivized traffic
Users who find an offer without a reward for it, such as readers of an article or a newsletter. Non-incentivized traffic

O

Offer
Something an advertiser pays for, such as an install, a sign-up, a sale or a level in a game. Each offer shows what it pays. What is AffiliateOS?
Offerwall
A screen inside an app or site that lists offers a user can complete for a reward. What is an offerwall?

P

Payout
What we pay a publisher for a conversion. Hosted Offerwall postbacks put it in the revenue parameter; payout there is the player's reward.
Percent of sale
The advertiser pays a percent of each purchase or sale, instead of a set amount per action. Pay a percent of each sale
Play install referrer
A value on a Google Play link that an Android app can read after install. It carries our click ID into the app. What is the Play install referrer?
Player reward
What a publisher's app gives its user for completing a step, in the app's own currency. Payout math
Postback
A request we send to your server when a conversion happens, so you can credit the user. What is a postback URL?
Postback secret
A key starting with ps_ that signs every postback we send you, so your server can check it came from us. Shown once. Verify a signed postback

R

Reversal
A conversion taken back after it was reported, by the advertiser or after our traffic checks. We take back its payout and send the publisher a reversal postback. Why a conversion was reversed

S

Server-to-server (S2S) tracking
Conversions sent from one server to another, with no pixel in the browser. A click ID ties each one back to its tap. What is S2S tracking?
Server-to-server event
An event an advertiser's own server sends to us directly, with no SDK in the app. Send events server to server (S2S)
Signature
A code made with your postback secret and sent with each postback, so your server can check it came from us. Verify a signed postback
Signed launch
A Hosted Offerwall link signed on the publisher's server. Each one works once, within 5 minutes. Simple links and signed links
Step
One action inside an offer that can pay, such as installing the app, reaching level 10 or a first purchase. How one install moves
Sub ID
Your own value attached to a click, usually your user's ID. We send it back to you in the postback. What is a sub ID?

T

Test event
An advertiser event sent with test=true. It checks the event works and is never charged. Send test events

U

User acquisition
The work of winning new users for an app, usually by paying for installs or actions. What is user acquisition?