Best Pay-Per-Call Platforms for Networks (2026): Ring Trees, RTB and Payouts

A pay-per-call network buys calls from publishers and sells them to buyers, so its platform must do five things well: build ring trees that route each call to a buyer with capacity, run real-time bidding (RTB) so buyers compete for calls, enforce caps, work out what each publisher is owed, and bill buyers for the calls they accept. This guide compares platforms on those jobs, from Lead Distro AI, Ringba, Retreaver, TrackDrive and CallScaler to enterprise-priced Invoca.

Disclosure: we build Lead Distro AI, so weigh our pick accordingly. Every competitor fact below comes from that vendor's public pages, as of the month stated. If you sell calls as an agency rather than run a network, read our list of the best pay per call software instead.

The global call tracking software market is projected to reach $5.6 billion by 2032, growing at a 17.2% CAGR (Allied Market Research, 2024). Networks that rely on basic IVR trees, spreadsheet payouts or manual invoicing lose revenue to dropped calls, misrouted transfers and late publisher payments.

Key Takeaways

• A network needs more than call tracking: ring trees, RTB, caps, publisher payouts, buyer billing and compliance checks all have to work together.
• Lead Distro AI covers the network workflow in one account, with your own ring tree and call RTB on Growth ($497/mo) and publisher payouts calculated per call. See how it works as pay-per-call network software for selling calls to many buyers.
• Ringba, Retreaver, TrackDrive and CallScaler are call-first alternatives; Ringba reserves RTB for its custom-priced Enterprise plan.
• Live transfers convert 3-5x higher than standard web leads because the prospect is already on the phone and qualified before the handoff (Insurance Journal, 2024).
• Usage fees decide your margin. Every platform here bills per number and per minute on top of any plan fee, so model cost per call before you commit.

Pay-Per-Call Platform Comparison for Networks

1. Lead Distro AI: Best for Networks That Also Sell Leads

Profit dashboardLead routingCall trackingFunnelsPartner portalAppointments

Lead Distro AIDashboard

Try Lead Distro AI1-minute guided tour of the real app

Lead Distro AI is built for operators who buy calls from publishers (Sources) and sell them to buyers (Destinations), and who also sell web-form leads. Calls and leads share one portal, one set of caps and one profit and loss view.

What a network gets:

• Ring trees and RTB: run your own ring tree with call RTB (Growth, $497/mo and up), answer publisher bid requests (beta), set a minimum call duration per bid, or bid into Ringba, Retreaver and TrackDrive ring trees on any plan. See call bidding.
• Caps and routing: IVR, ring tree routing and caps for buyers.
• Publisher payouts and buyer billing: Source payouts calculated per call and prepaid Destination wallets with auto-recharge. See billing and payouts.
• Compliance and quality: recording, transcription, and duplicate and robocall screening with a STIR/SHAKEN signal.
• Attribution: tracking numbers with dynamic number insertion (DNI) that captures the gclid and UTM keyword data, plus Google Ads call import.
• Partner portal: publishers and buyers see their own calls, caps and payouts.
• Lead side: rule-based lead scoring and four distribution methods for web-form leads, including ping-post.

Pricing: the Call Tracking plan is $147/mo and covers calls only, with no lead distribution. Starter is $297/mo for leads and calls. Growth is $497/mo and adds ping-post, running your own ring tree (RTB) and white label. Scale is custom, so you talk to sales. Call tracking is usage-based on top of the plan, with a per-number fee and a per-minute rate. See the pricing page, and read how a pay-per-call network is structured.

Best for: Pay-per-call networks and agencies that sell calls and leads and want ring trees, RTB, payouts and billing in one account. Take the interactive product tour or start a free 7-day trial (credit card required).

2. Ringba: Best for Call-Only Networks

Ringba is built for inbound call tracking and pay per call. Its Ring Tree® routes calls to buyers by real-time bid, with routing, capping and financial rules for buyers and sellers.

Key features:

• Ring Trees from the Professional plan, with Predictive Routing (eRPC)
• Real-time bidding and ping/post call trading on the Enterprise plan
• Dynamic number insertion, drag-and-drop IVR and call recording
• Partner users and sub-accounts for publishers and buyers
• White label with automated buyer billing

Pricing: Business is $147/mo and Professional is $297/mo billed monthly, with Enterprise priced custom, plus per-minute and per-number usage (as of October 2026).

Best for: Call-only networks with complex routing needs. Read Ringba alternatives or our Lead Distro AI vs Ringba comparison.

3. Retreaver: Best for Tag-Based Network Routing

Retreaver routes calls with tags and contact attributes such as geolocation, affiliate ID and offer. Its SkipThrough adaptive IVR only asks the pre-qualifying questions needed for the buyers available.

Key features:

• Real-time bidding to the highest-bidding buyers, with no extra charge
• Continuous ringing, simultaneous dialing and hard caps
• Revenue and payout calculation by buyer, campaign and publisher
• Collaborator tools so publishers and buyers can view their own reports

Pricing: no mandatory monthly platform fee; usage starts at $0.05 per minute plus $1 per number per month (as of October 2026).

Best for: Affiliate call networks that care about tag-based routing. See Retreaver alternatives.

4. TrackDrive: Best for Usage-Based Network Pricing

TrackDrive combines ping/post and RTB with routing by tier, highest bid or earnings per call, plus caps, business hours and duplicate checks.

Key features:

• Publishers ping for available buyers, collect live bids, then post to connect the call
• Per-publisher reporting of pings, accept rate, revenue, payout and margin
• Suppression and do-not-call tools with TCPA Shield and Blacklist Alliance integrations

Pricing: usage-based rates with monthly committed-use tiers from Pay As You Go up, and volume discounts (as of September 2026).

Best for: Networks that want a published, usage-based price. See TrackDrive alternatives.

5. CallScaler: Best for Call-First Marketers on a Fixed Plan

CallScaler's Pay Per Call plan bundles buyer and publisher management, real-time bidding, white label, prepaid buyer balances and a branded marketplace.

Key features:

• Ping/post routing and RTB that routes to the highest accepted bid above your minimum
• Stripe-based buyer deposits with auto top-up, and automated publisher payouts
• Form and SMS tracking, with form submissions forwarded by email or webhook

Pricing: Pay Per Call is $400/mo billed yearly or $600/mo billed monthly, plus usage (as of September 2026). We found no web-form lead distribution to buyers on its site. See CallScaler alternatives.

Best for: Call-first networks that do not distribute web-form leads.

6. Invoca: Best for Enterprise Call Programs

Invoca is an enterprise platform with Signal AI for conversation analysis and a separate pricing tab for pay-per-call and affiliate marketing. Its Performance tiers add campaign syndication and bundling, and payout assignment for qualified calls.

Pricing: custom quote with no published prices (as of September 2026).

Best for: Large call programs that prioritize analytics over self-serve setup. See Invoca alternatives.

How to Choose a Pay-Per-Call Platform for a Network

Five factors matter most to a network operator.

1. Ring tree and RTB depth. Check how many buyers a tree can hold, whether buyers bid by caller attributes, and which plan unlocks RTB. Review the basics of lead routing if you are new to it.

2. Publisher payouts. Payouts that run on a spreadsheet cost you publishers. Look for automatic payouts by campaign and per-publisher payout rules.

3. Buyer billing. Prepaid balances with auto-recharge reduce collections risk. Check whether billing is built in or needs a separate tool.

4. Compliance and call quality. Look for recording, duplicate-call handling, robocall screening and do-not-call tools. Live transfers are the highest-converting call type in legal, insurance and home services, and they raise the cost of a bad call.

5. Pricing and usage fees. Per-minute and per-number fees decide margin at network scale. Calculate your cost per call at current and projected volume, and compare with lead distribution tools if you also sell leads.

FAQ

What is a pay per call platform?

A pay per call platform is software that tracks, routes and manages inbound phone calls for performance marketing. Networks use it to buy calls from publishers, sell them to buyers, and settle money on each qualified call. Core features include call tracking, IVR qualification, ring trees, real-time bidding, caps and payout management.

What is a ring tree?

A ring tree is an ordered set of buyers that a call is offered to. The platform tries buyers by priority, weight or bid, moves to the next if one does not answer or is at cap, and connects the caller to the first buyer that accepts. In RTB, the highest accepted bid wins the call.

How do live transfers work in pay per call?

Live transfers connect a qualified caller directly to a buyer while the caller is still on the phone. The platform's IVR asks pre-screening questions and hands the caller to the best-matched buyer. Live transfers convert significantly higher than standard web leads because the prospect is already engaged and qualified.

What is the difference between pay per call and pay per lead?

Pay per call campaigns earn revenue from inbound phone calls, while pay per lead campaigns earn revenue from web form submissions. Many networks run both. Platforms such as Lead Distro AI handle both models with one set of distribution, caps and reporting. Learn more about the pay per call marketing model.

How much does a pay per call platform cost?

Lead Distro AI's Call Tracking plan is $147/mo for calls only, Starter is $297/mo for leads and calls, and Growth is $497/mo with your own ring tree and RTB. Ringba publishes Business at $147/mo and Professional at $297/mo billed monthly, with Enterprise priced custom (as of October 2026). Retreaver has no monthly fee and charges usage from $0.05/min (as of October 2026). Invoca is quote-only (as of September 2026). Per-minute and per-number fees apply on top of plan fees on these platforms.

Can I use a pay per call platform for legal leads?

Yes. Legal is one of the highest-value verticals for pay per call, and personal injury, mass tort and workers' compensation calls routinely command $100-$500+ per qualified transfer. Lead Distro AI supports legal, insurance, home services, solar and mortgage verticals with vertical-specific scoring rules.

Conclusion

A call network lives or dies on routing, bidding and settlement. Of the platforms compared here, Lead Distro AI is our pick for operators who sell both calls and leads, because ring trees, call RTB, publisher payouts and buyer billing sit in one account. Call-only operators should also price Ringba, Retreaver, TrackDrive and CallScaler.

See the detailed comparison: Lead Distro AI vs Ringba.