Media buyer tool 3 · Postback URL Tester for Voluum

Test your Voluum postback URL before the next conversion goes missing.

The affiliate network (offer owner) calls your Voluum dedicated-domain postback URL when a conversion happens, passing back the Voluum click ID. Below: Voluum's postback format and macros as Voluum's own docs give them, the ways a Voluum postback usually breaks, and the tester, pre-filled with an example of the postback URL your affiliate network calls in. Edit it to match yours and run the check.

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Voluum's postback format

https://voluum_dedicated_domain.com/postback?cid={affiliate_network_clickid_token}&payout={affiliate_network_payout_token}&txid={affiliate_network_txid_token}

Set by your network, not by Voluum: put your network's click-ID macro in the cid= field. Source: Submitting Postback URL, Parameters in Postback URLs, MaxBounty and Voluum (Voluum docs) (read on November 9, 2026). Networks rename macros and some show them only inside your account; if your dashboard differs, it wins.

Voluum macros

Macro	Meaning
{clickid}	Voluum's click-ID token for the offer URL, e.g. s2={clickid}
REPLACE	cid=REPLACE: slot for the network's click-ID macro (required)
OPTIONAL	payout=OPTIONAL and txid=OPTIONAL: slots for the network's payout and transaction-ID macros, or delete them

Parameter names on the receiving side

cid: Required. Voluum click ID; takes priority over c if both are present
payout: Optional. Revenue per conversion (alias p; payout wins if both present)
txid: Optional. Unique transaction ID, used for upsells / secondary conversions
et: Optional. Conversion type; needs Settings > Custom conversions
currency: Optional. Overrides the offer's currency setting
param1-param5: Optional extra data; only after enabling 'Include additional parameters in the postback URL'

How a Voluum postback usually breaks

REPLACE left in cid
Voluum's default postback template contains cid=REPLACE. If it is pasted into the network without swapping in the network's click ID token, every conversion arrives with no valid click ID and is not recorded.
Fix: Replace REPLACE with the network's click ID token, the same field that received Voluum's click ID in the offer URL.
Offer URL and postback tokens do not match
The click ID in the offer URL must match the token used in the postback URL. If the offer URL sends the click ID in one sub field and the postback returns another, the click cannot be found.
Fix: Check the network's docs and use the same sub field in both places.
Unreplaced OPTIONAL values or unused params
payout=OPTIONAL and txid=OPTIONAL are placeholders. Unused optional parameters can be deleted; sending the literal text passes junk values.
Fix: Delete payout/txid if the network has no token for them, otherwise fill the real token.
Wrong or non-SSL domain
The domain must be your Voluum dedicated domain, and the secure (https) version needs SSL enabled on it.
Fix: Use your dedicated domain and enable SSL before using https.

Test your Voluum postback

Pre-filled with an example: Voluum's postback filled in for a MaxBounty offer, as Voluum's MaxBounty guide shows it. Swap in your own network's macros. Paste your own URL over it; the check runs in this page and fires nothing.

Not Voluum's own macros: #S2# (MaxBounty); #RATE# (MaxBounty).

Your postback URL templateExactly as you gave it to the network, macros and all. If it contains an API key or token, the value is removed before anything is shown.Your offer link with its macros (optional)The link your tracker sends visitors to. It lets the tester check the click ID goes out and comes back in the same field.

Your network's click-ID macroThe macro the network fills with the click ID you sent it. It also tells the tester which syntax the network uses.

My funnel has more than one event (e.g. registration, then deposit)Then the postback needs a status or event-type parameter.A real click ID from your tracker (optional)Used only in the test-fire URL, so a test lands on a click you can find.

Want me to trace one real campaign?

This tool checks the postback URL and offer link you pasted from what you typed. It can't see your ad accounts, tracker, network or live traffic. If the result shows gaps, I'll look at one real campaign for free: I trace it from ad click to payout and back, and within 48 hours I send you a written report on where money or data leaks silently, the fix for each, and the tests that prove it's fixed.

In the review I fire a test conversion end to end on one real campaign and check it lands once, with the right payout, in your tracker and in your traffic source. You get the fix for every place it doesn't.

Request the free spend-path review

Shilpa Goel, [email protected]

This is an engineering checklist, not a security audit, legal, compliance or investment advice.

Not affiliated with or endorsed by Meta, Google, TikTok or any network or tracker named here.