Keep Client Bounce Rates Under 1%. Save Up to 80% on Verification.
Clean every client's list before you send, keep their accounts separate, and share a report they can trust. Credits never expire, and exports work with Mailchimp, Klaviyo, Instantly and more.
Credits for unknown results
Client Bounce Rate
Max Savings vs ZB
Credit Expiration
Run every client from one account
Whether you run newsletters, online stores or cold outreach, each client stays organized.
Client workspaces
Switch between clients, and tag each upload so lists never get mixed up.
Team access
Give teammates access to upload and export without showing them billing.
Client-ready reports
Print a report with your own agency name for client sign-off before a campaign.
Clean exports
Download a clean file with your columns kept, ready for your client's email tool.
Email marketing agencies
Clean Mailchimp, Klaviyo and HubSpot lists before each client campaign, so more of your work reaches the inbox.
How to clean a Mailchimp listE-commerce agencies
Remove dead customer addresses and catch bad ones at checkout, so order emails arrive.
E-commerce email validationOutbound and lead gen agencies
Check every prospect list before it reaches your sequencer, and keep client domains out of trouble.
Cold email verificationWhy Agencies Switch to BounceLayer
When client domains burn, agencies lose retainers. Here is how BounceLayer solves the 4 biggest outbound headaches:
Client secondary sending domains get blacklisted after 1 week
We check every address without sending an email, so you find the ones that don't exist before you send.
Credits that reset or expire eat into your retainer margins
BounceLayer credits NEVER expire. Unused credits roll over permanently across all your clients.
Junior SDRs accidentally mail high-risk catch-alls and role-based inboxes
Autonomous catch-all quarantine and 100K+ burner firewall isolates risk into separate download files.
Clients demand proof of list health before launching campaigns
Instant clean breakdown reports proving deliverability safety (<1% bounce risk) ready for client review.
How Much Will You Save With BounceLayer?
High-accuracy direct SMTP verification shouldn't cost a fortune. Slide to calculate your instant savings vs ZeroBounce and NeverBounce.
Direct Infrastructure
$0.00099 / email
ZeroBounce
You save $550 (84%)
NeverBounce
You save $301 (75%)
Works with the tools you already use
Clean a list and import it straight back, with your columns kept:
Instantly.ai
Export 100% deliverable CSVs ready to drop directly into Instantly campaigns with 0 formatted column breakage.
Smartlead.ai
Quarantine catch-alls and throwaway inboxes so client Google Workspace & Office 365 sending accounts never burn.
Clay.com
Connect our verification endpoint as an HTTP step in Clay table formulas for real-time lead scrubbing.
Apollo.io Lists
B2B contact data goes out of date at about 2% a month. Clean exported CSVs before you launch a sequence.
Simple, Predictable Agency Retainer Economics
No hidden fees, no per-client seat taxes, and non-expiring credits. ZeroBounce prices are its public $99/mo ONE plan for 10,000, then one-time pack prices, checked November 2026.
Agency Questions & Answers
What agencies usually ask before they switch.
How does BounceLayer ensure client outbound bounce rates stay below 1%?
We connect directly via port 25 TCP socket to the authoritative MX host of the target domain and simulate the handshake up through RCPT TO. If the recipient does not exist, the mail server rejects it with a 550 code immediately, and we flag it as Invalid before you ever send a real message.
Can I manage multiple client accounts with separate tagging?
Yes! In your bulk cleaner, you can tag each upload with your client's name or campaign ID. When downloading results, you can filter by client tags and export files formatted specifically for Instantly, Smartlead, or raw audit logs.
What happens if a client's mail server is a Catch-All?
Unlike tools that blindly mark catch-alls as 'Valid' (causing dangerous bounce spikes), BounceLayer analyzes domain history, MX server patterns, and server responses to categorize catch-alls into separate, quarantined exports so your client domains remain completely safe.
Do your verification credits expire if an agency client pauses their retainer?
Never. All BounceLayer credits (both Subscription roll-over credits and Pay-As-You-Go packages) carry zero expiration date. They remain in your agency account forever.
We run email marketing for clients, not cold outreach. Is this for us?
Yes. Export a client's list from Mailchimp, Klaviyo or HubSpot as a CSV, clean it, and import it back before the next campaign. You keep each client separate and can share a report with them.
Can we integrate BounceLayer into our proprietary agency workflow or portal?
Yes. Every account gets full access to our REST API, webhook callbacks, Python/Node.js SDKs, and native Model Context Protocol (MCP) server for Cursor and Claude agents at no extra charge.
Run Your Dirtiest Lead List Against Us For Free
Get 300 free credits every month. Upload your hardest bounce list side-by-side against your existing verifier and see the deliverability difference immediately.