Does Retreaver tell a publisher why a ping was turned down?

Partly. Its RTB guide lists statuses such as no-target and rejected, and tells publishers to send the bid ID to the campaign owner for buyer-level detail. InboundX returns a plain reason on every no-bid.

What access do publishers get on Retreaver?

Collaborator access to the campaigns or numbers the owner chooses. On InboundX, publishers get their own portal with calls, pings, postbacks, earnings and invoices.

Does Retreaver support real-time bidding or ping post?

Yes, on its public pages: routes to the highest-bidding buyer. InboundX answers every ping with a bid that carries the payout, or a no-bid with a reason.

Why do publishers pick InboundX over Retreaver?

A reason on every no-bid: Every no-bid comes back with a plain reason, in the response and in your portal. Retreaver's RTB guide sends publishers to the campaign owner, with the bid ID, for buyer-level detail. Your own publisher portal: Your portal shows your calls, pings, postbacks, earnings and invoices. Retreaver gives publishers collaborator access to chosen campaigns or numbers.

Home / Publishers / Compare / Retreaver vs InboundX

Retreaver vs InboundX for publishers

Retreaver is usage-based call tracking with real-time bidding at no extra charge. On InboundX, every no-bid comes back to the publisher with a plain reason, and your portal shows the rest.

Usage-based call tracking. Retreaver figures are from its public pages, checked 6 Nov 2026. See publisher pricing and how InboundX works for publishers.

01 — Figures

Published side by side

Swipe to compare

Retreaver vs InboundX for publishers: published figures. Not published means the figure was not found on a public page.
Feature	Retreaver	InboundX
Monthly fee	No platform feeNo contracts.	$0No monthly platform fee on a routing account; tracking numbers carry their own monthly rent. $0 to send calls to a network.
Per minute	From $0.05	$0.06One price per connected minute, from a prepaid balance. Numbers have a monthly rent.
Tracking numbers	$1 per month	Monthly rentEach tracking number has a monthly rent, taken from your balance.
Pings / RTB fee	No RTB charge	$0No ping or RTB fees.
Real-time bid or ping post	YesRoutes to the highest-bidding buyer.	YesA bid carries the payout and holds a buyer for 10 to 30 seconds.
Portal for your publishers	Collaborator accessTo chosen campaigns or numbers.	YesCalls, pings, postbacks, earnings and invoices.
Postbacks or webhooks	Webhooks	YesRetried every minute for up to 7 days.
Reason on every no-bid	Not in the bidThe campaign owner looks up the bid ID.	YesEvery no-bid comes back with a plain reason.
Your AI on your account	YesMCP server, read or read-and-manage.	YesAccount MCP. Every change is previewed first.

02 — Why InboundX

Why publishers pick InboundX over Retreaver

01
A reason on every no-bid
Every no-bid comes back with a plain reason, in the response and in your portal. Retreaver's RTB guide sends publishers to the campaign owner, with the bid ID, for buyer-level detail.
02
Your own publisher portal
Your portal shows your calls, pings, postbacks, earnings and invoices. Retreaver gives publishers collaborator access to chosen campaigns or numbers.

03 — Them

What Retreaver publishes well

Retreaver is call tracking software billed on usage, with no mandatory monthly platform fee and no contracts.

No mandatory platform fee and no contracts: minutes from $0.05 and numbers at $1 a month.
Real-time bidding routes to the highest-bidding buyer, with no extra RTB charge.
An MCP server that can read or read and manage an account.

Publishers can be given collaborator access to specific campaigns or numbers. It routes by real-time bid to the highest-bidding buyer, offers number pools and dynamic number insertion, and sends call data out through webhooks.

Retreaver's pricing guide lists no mandatory platform fee, minutes from $0.05 and numbers at $1 a month. RTB has no extra charge.

04 — InboundX

How InboundX is set up for a publisher

Send calls to a network on InboundX by real-time bid or by phone number. A ping gets a bid that carries the payout and holds a buyer for 15 seconds by default, 10 to 30 per campaign. A no-bid always says why.

Your portal shows calls, pings, postbacks, earnings and invoices. Postbacks are retried every minute for up to 7 days until your platform answers. Connect your own AI to your account over MCP; every change is previewed first.

Sending to a network costs you nothing on InboundX: the network pays you. Routing your own calls to your own buyers is $0.06 per connected minute, with recording, pings and bids included. Each tracking number has a monthly rent.

Publisher pricing · Real-time bidding for calls · Call routing platform · Docs

05 — Questions

Retreaver vs InboundX questions

01Does Retreaver tell a publisher why a ping was turned down?: Partly. Its RTB guide lists statuses such as no-target and rejected, and tells publishers to send the bid ID to the campaign owner for buyer-level detail. InboundX returns a plain reason on every no-bid.
02What access do publishers get on Retreaver?: Collaborator access to the campaigns or numbers the owner chooses. On InboundX, publishers get their own portal with calls, pings, postbacks, earnings and invoices.
03What does Retreaver charge?: Retreaver's pricing guide lists no mandatory platform fee, minutes from $0.05 and numbers at $1 a month. RTB has no extra charge. Figures are from Retreaver's public pages, checked 6 Nov 2026.
04Does Retreaver support real-time bidding or ping post?: Yes, on its public pages: routes to the highest-bidding buyer. InboundX answers every ping with a bid that carries the payout, or a no-bid with a reason.
05What does InboundX cost a publisher?: Sending calls to a network on InboundX costs you nothing: the network pays you for calls that convert. Routing your own calls to your own buyers is $0.06 per connected minute from a prepaid balance, with recording, pings and bids included and no monthly fee. Each tracking number has a monthly rent.
06Why do publishers pick InboundX over Retreaver?: A reason on every no-bid: Every no-bid comes back with a plain reason, in the response and in your portal. Retreaver's RTB guide sends publishers to the campaign owner, with the bid ID, for buyer-level detail. Your own publisher portal: Your portal shows your calls, pings, postbacks, earnings and invoices. Retreaver gives publishers collaborator access to chosen campaigns or numbers.

06 — Next

Start getting paid for your calls.

Apply as a publisher, then test your ping URL before you send a real call.

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Sources, checked 6 Nov 2026