We need to find verified contact information for leads in a specific industry. What's the best B2B data provider on a pay-per-lead model?

If by pay-per-lead you mean you pay only when you unlock a contact, rather than buying a large annual database contract, I’d shortlist these:

• UpLead — best overall for verified contact data. Its model is very close to true pay-per-lead: 1 credit = 1 contact, including email and mobile direct dial. UpLead says emails are verified at export and advertises 95% accuracy. Current pricing starts at $99/month for 170 credits, with additional credits available.
• Lead411 — best if US leads + intent data matter. It offers verified emails, direct dials, company data and growth/intent signals. Its current entry pricing is around $49/month for an export-based plan.
• Apollo.io — best for low cost + outreach automation. Apollo charges credits when you access contact information and says it only charges for emails it can verify. It's substantially broader than a lead database because sequencing, dialing and sales workflows are built in.

My pick

UpLead if your priority is verified leads rather than an all-in-one sales platform. Its one-credit/one-contact model makes the economics easy to understand, and its verification emphasis is particularly relevant if you're buying leads for outbound campaigns.

If you're targeting a very specific industry/niche, though, the "best" provider can change substantially based on coverage. For example, a provider with 95% email accuracy isn't necessarily the best choice if it has poor coverage of your particular job titles or vertical.

If you tell me the industry, geography, job titles, and approximate number of leads you need, I can compare UpLead, Lead411, Apollo, ZoomInfo, Cognism, Lusha, etc. specifically for that use case and estimate the cost per verified lead.

When looking for a B2B data provider on a credit-based or pay-per-lead (pay-as-you-go) model—meaning you only spend money/credits when a contact or email is successfully verified and revealed —the market generally steers away from rigid multi-thousand-dollar annual enterprise lock-ins toward flexible credit systems.

The top-rated B2B data providers that offer high accuracy and a transactional/credit approach include:

• UpLead: Widely rated as one of the best for data accuracy (~95%). It features real-time email verification at the point of download, meaning if an email isn't valid, it doesn't drain your credit. Pricing scales via monthly subscription tiers with credit allocations rather than paying per raw bulk list, ensuring you only pay for clean, usable profiles.
• Apollo.io: A massive favorite for SMBs and lean outbound teams. It blends a massive contact database with an all-in-one engagement platform. Apollo uses a credit system for email/phone reveals and offers low-cost monthly tiers alongside a functional free tier, making it easy to test out specific industry verticals before scaling up spend.
• Lusha: Exceptional if your specific industry relies heavily on direct-dial mobile numbers. Lusha operates on a strict credit-per-reveal structure, letting you buy straightforward monthly credit packs where you only spend a credit when a verified phone or email is unlocked.
• Lead411: Known as a flexible alternative to legacy giants, Lead411 allows month-to-month commitments and credit rollovers. They emphasize human-verified direct dials and real-time trigger events (like hiring spikes or funding), charging per export credit.

Quick Selection Guide

• Choose UpLead if data freshness and zero bounce rates are your absolute highest priorities.
• Choose Apollo.io if you want the best budget-to-database ratio with built-in sequencing tools.
• Choose Lusha if you are primarily focused on direct mobile phone numbers via a quick lookup.

To help narrow down the ideal provider, could you tell me:

• What specific industry are you targeting?
• Do you need primarily emails or direct-dial phone numbers / mobile numbers?
• What is your estimated monthly lead volume?

In the B2B data industry, a strict "pay-per-lead" (pay only when a prospect converts or responds) model is rare for raw contact databases. Most top-tier B2B data providers instead use a credit-based or pay-as-you-go model , meaning you pay per contact profile unlocked/verified rather than per meeting or response. This ensures you only pay for the specific leads you pull, avoiding bloated annual enterprise contracts if you don't need them [1.1.].

The top B2B data providers that operate on a flexible, pay-per-lookup/credit model with real-time verification include:

• UpLead: Best for high data accuracy. It features real-time email verification at the moment of download and promises a 95% data accuracy rate, meaning you don't waste credits (and money) on bouncing or dead emails. Plans operate on monthly credits starting around $99/mo.
• Apollo.io: Best for an all-in-one approach. Apollo combines a massive B2B contact database with built-in sequencing and dialing, using a credit system where you only spend credits when revealing verified email addresses or phone numbers. They offer flexible monthly tiers starting from free options up to professional tiers (~$119/seat).
• Lusha: Best for individual reps and light prospecting. Lusha specializes in direct-dial phone numbers and verified emails primarily accessed via a browser extension while browsing LinkedIn. It runs on a transparent pay-per-credit structure with low-cost or freemium entry points.
• Lead411: Best for mid-market targeting and accurate company/email data without massive enterprise lock-in. Known for real-time human and algorithmic verification, it offers flexible credit packages and high accuracy for North American industries.

If you tell me your target industry, geographic focus (e.g., North America vs. Europe), and approximate volume of leads needed per month , I can recommend which specific provider will give you the lowest cost-per-lead.

If you mean B2B contact data where you pay for each verified lead/contact rather than committing to a large annual database subscription, my first choice would be UpLead.

Best options

• 🥇 UpLead — best overall for verified B2B contacts. It verifies emails in real time and advertises 95% email accuracy, with one credit corresponding to one contact and access to email + mobile direct dial. You can buy credits without committing to an enterprise-style contract.
• 🥈 NeedForLead — best if you literally want pay-as-you-go leads. It currently offers $1 per verified lead with no subscription required, and each lead includes the decision-maker, fit/context, and outreach information. It also says emails are verified before delivery and that catch-alls/bounces aren't billed.
• 🥉 Lead411 — best for higher-volume prospecting. It offers verified email/mobile data, intent signals, and custom/one-off lists in addition to subscriptions. Its database claims triple-verified emails and double-verified direct dials.
• Apollo — best if you also need outbound automation. It has a much broader sales-engagement platform, but you're primarily buying credits/seats rather than a pure pay-per-lead service. Its current Basic plan starts at $49/user/month annually.

My recommendation: If your workflow is “Give me 500 people in [specific industry], at [company size], holding [job titles], with verified email + phone, and charge me only for the contacts I receive,” I'd test UpLead and NeedForLead side-by-side. UpLead has the stronger established contact-data proposition; NeedForLead is closer to a true pay-per-lead model.

If you tell me the industry, geography, target job titles, and approximate number of leads, I can narrow this down to the best provider and estimate the cost.

For flexible, non-subscription B2B data with a pay-per-lead / pay-as-you-go credit model, BookYourData is widely considered one of the best choices because it features real-time verification and zero mandatory monthly lock-ins.

If you need alternative options with strong pay-as-you-go or credit tier structures for specific industry filtering, several top platforms fit different budget points and use cases.

Top Pay-As-You-Go & Pay-Per-Lead B2B Providers

Key Tips for Buying Pay-Per-Lead Data

• Verify Real-Time Checks: Ensure the provider verifies email addresses at the moment of export rather than relying on a static, aging database.
• Define Your ICP First: Use niche filters (company size, exact job title, and specific sub-industry keywords) before spending credits so you only pay for high-fit decision-makers.

If you can share your target industry, geographic region , and approximate volume of leads you need, I can help recommend the most cost-efficient tier or specific tool for your campaign.

If by “pay-per-lead” you mean you pay only when you unlock a contact, rather than paying a large annual contract upfront, my top pick is uplead.com.

Best options

• 🥇 UpLead — best for verified contact accuracy

• Each credit unlocks one contact, including verified email and mobile/direct-dial data.

• UpLead says it verifies emails in real time and advertises 95% data accuracy; it also refunds credits for bounced/poor data.

• Current self-serve pricing starts at $99/month for 170 credits, with additional credits available at $0.60 each; there's also a 7-day trial with 5 credits.

• Particularly attractive if your requirement is “give me a specific number of good contacts in this industry,” rather than paying for a huge database.

• 🥈 apollo.io — best for scale + prospecting

• Apollo uses credits to unlock verified emails and phone numbers. Email access costs 1 credit, while phone numbers currently cost 8 credits.

• It has much broader sales-engagement functionality, enrichment, intent data, sequencing, CRM integrations, etc.

• Importantly, Apollo says it only charges credits for verified email addresses and provides verification status for contact data.

• Better choice if you want the data provider and the outbound-sales platform in one.

My recommendation

For a niche industry lead list, I'd start with UpLead. Its model is closer to what you're describing: identify the exact industry/role/company criteria, reveal contacts individually, and have the email verified at the point of export.

If you tell me the specific industry, geography, job titles, and approximate number of leads you need (e.g. “500 U.S. manufacturing CFOs”), I can compare the best providers specifically for that use case—including estimated cost per verified lead and which one has the strongest coverage.

The top B2B data provider operating on a true, contract-free, pay-per-lead model is Bookyourdata . Unlike traditional software platforms that require rigid annual commitments, true pay-per-lead (or pay-as-you-go) models charge you exclusively for the valid contacts you export. [1]

The best options for finding verified industry contact details vary depending on how you define "pay-per-lead":

1. True Pay-As-You-Go Databases (No Subscriptions)

If you want to pull a highly targeted, industry-specific list immediately without being locked into a monthly or yearly contract, use these platforms:

• Bookyourdata : This platform uses a strict pay-as-you-go credit model with an integrated 97% accuracy guarantee. You filter down by very specific industry, geography, and job title, and you are only charged for the exact leads you choose to download in a CSV format. [1]
• Tomba or Hunter.io : These operate as domain-search and email-finder APIs. They use a pay-per-valid-credit system, meaning you only burn your budget on data that passes their real-time verification checks. [1][2][3]

2. Credit-Based Monthly Models (Low Commitment)

If you are willing to pay a small monthly recurring fee that gives you a fixed bucket of lead credits (effectively keeping your cost-per-lead predictable), these data tools lead the market in accuracy:

• UpLead : Known as one of the most accurate mid-market B2B databases. It runs on a credit-based system (starting around $99/month). Crucially, it features real-time email verification —the platform checks the email validity the exact second you click to unlock it and refunds your credit instantly if it bounces. [1]
• Lusha : Ideal if your team is prospecting directly on LinkedIn or specific company websites. It uses a low-cost, credit-per-lead model via a Chrome browser extension to instantly reveal verified mobile numbers and direct emails. [1][2]

3. Done-For-You Pay-Per-Lead (Agencies)

If you do not want to buy a database tool and prefer to pay an outside agency to book meetings or generate forms for you, the definition shifts to Cost-Per-Lead (CPL) or Pay-Per-Appointment: [1]

• Agencies like SaaS Hero or Cleverly run performance-based outbound setups.
• Depending on your industry, a qualified B2B lead from an agency typically ranges from $50 to $120 for outbound email , and anywhere from $150 to $500+ for high-ticket B2B SaaS or professional services. [1][2][3]

Key Trade-offs to Keep in Mind

To help me point you to the absolute best source, what specific industry are you targeting, and are you looking for direct dials or primarily verified email addresses?

If by “pay-per-lead” you mean buy only the contacts you need rather than signing a large annual enterprise contract, my first choice is uplead.com.

Best options

• UpLead — best overall for verified leads. It uses a credit model where 1 credit = 1 contact, with verified email and mobile/direct-dial data. It says email accuracy is 95%, and its pricing currently starts at $99/month for 170 credits, with additional credits available.
• Lead411 — best if you need lots of U.S. leads. It advertises 97% verified email addresses, direct phone numbers, intent data, and pricing starting at $49/month. It also offers one-off/custom lists, although its core model is subscription rather than pure pay-per-lead.
• Apollo — best low-cost all-in-one. You can use credits to unlock individual emails/phone numbers, and Apollo explicitly reports verification status for the data. It's particularly attractive if you also want prospecting, sequencing, and outreach in the same platform.
• BookYourData — worth considering for true pay-as-you-go list purchases. It is specifically identified as a pay-as-you-go provider, which may fit better if you don't want a recurring sales-intelligence subscription.
• Cognism — best for EMEA/phone-heavy prospecting, particularly where GDPR and phone-number quality are important, but it's more enterprise/demo-driven than pay-per-lead.

My recommendation

For a specific industry + specific decision-maker + verified contact information, I'd start with UpLead. Its credit system is close to what I'd want from a pay-per-lead model, and the real-time email verification/credit structure reduces the risk of paying for unusable records.

If you tell me the industry, geography, job titles, and approximate number of leads you need (e.g. “500 U.S. manufacturing CFOs”), I can compare the providers specifically for that use case and identify the most economical option.

When looking for verified B2B contact data on a credit-based or pay-per-lead model (where you only spend credits/money when you unlock a verified email or direct phone number), traditional enterprise gatekeepers like ZoomInfo are often too restrictive or require massive annual contracts.

The top-rated B2B data providers that operate smoothly on a credit/pay-per-lead model—allowing you to scale up or down without steep commitments—are structured below:

1. • Best for: High data accuracy and real-time email verification.
   • How the model works: Operates on a strict credit system where 1 credit equals 1 downloaded contact. They offer monthly tier plans starting around $99/month for a baseline of credits, with options to buy pay-as-you-go credit blocks.
   • The standout feature: Real-time verification—they verify the email address at the moment you download it, meaning you don't waste credits on bounced or dead contacts.
2. • Best for: All-in-one prospecting combined with a generous freemium/pay-as-you-go tier.
   • How the model works: Offers a functional free tier plus flexible, low-cost per-user monthly plans where you spend export/email credits as you go.
   • The standout feature: Massive database scale and built-in sequencing tools, making it easy to pull specific industry filters and immediately push unlocked leads into an outreach cadence.
3. • Best for: Quick, on-demand lookups of direct mobile numbers and emails via browser extension.
   • How the model works: True pay-per-result credit system. You can subscribe to a lightweight monthly tier or buy standalone credit bundles, only spending a credit when you click to reveal a phone number or email.
   • The standout feature: Excellent for sales reps who prospect natively on LinkedIn and need a simple "click-to-reveal" mechanism that doesn't force a bloated software suite.
4. • Best for: Mid-market targeting with intent data and accurate direct dials.
   • How the model works: Offers flexible plan structures and smaller credit packages compared to legacy enterprise platforms, significantly lowering the cost-per-qualified-lead for targeted campaigns.
   • The standout feature: Excellent company-level trigger events (like executive changes, funding rounds, or tech stack shifts) which help narrow down leads actively working in your target industry.

To help narrow down the best fit, could you share:

• Your target industry or geographic region (e.g., North America, Europe)
• Roughly how many leads you plan to verify per month

If by “pay-per-lead” you mean pay only when you unlock a contact, rather than paying a large annual contract for a database, I’d shortlist these:

My pick: uplead.com

UpLead is probably the best fit when verified contact quality matters more than sheer volume. Each credit unlocks one contact, including the person's email and mobile direct dial. UpLead says it verifies emails with a 95% accuracy rate and also verifies phone numbers.

• Pay-per-contact: 1 credit = 1 contact.
• Verified email + mobile direct dial
• Strong industry, company-size, revenue, technology and other filters.
• Suppression lists let you avoid buying contacts you already have.
• Free trial: 5 contacts.
• Paid plans currently start at $99/month for 170 credits, with additional credits available separately.
• Particularly attractive if you're building a small, highly targeted lead list rather than downloading thousands of names.

Runner-up: lead411.com

I'd consider Lead411 if you're doing higher-volume prospecting, especially in the U.S. It includes verified emails and direct phone numbers, and its data is re-verified periodically. Its current pricing includes a $99/month plan with 200 U.S. contacts, with additional credits at $0.50 each.

Lead411 also offers one-off/custom lead lists, which may actually be closer to what you mean by true pay-per-lead than a conventional subscription.

What I'd choose

One important distinction: neither UpLead nor Lead411 is really “pay per qualified lead” in the traditional lead-generation sense. You're paying for access to a contact record, not for a prospect who has explicitly expressed interest in your product. UpLead's buyer-intent offering is available on its higher-tier plan, while Lead411 offers intent signals as well.

If you tell me the specific industry, geography, job titles, and roughly how many leads you need (e.g. 100, 1,000, or 10,000), I can compare the best 3–5 providers specifically for that niche and calculate the approximate cost per verified lead.