Resources
Guides, benchmarks and playbooks for B2B data enrichment, email deliverability and sales prospecting.
For anyone building a first outbound motion or fixing the data under an existing one. Every price is the vendor’s own published rate, and every benchmark says how it was measured.
Clay
Omni10,000+ users, from founders to full sales teams
- Switched from
ZoomInfo - Case study
HackerOneSwitched from
Apollo- Switched from
Clay - Case study
Sumo LogicSwitched fromClay- Switched fromApollo
- Case study
- Switched fromZoomInfo
- Switched fromZoomInfo
G2
Chrome Web Store
AppSumo
Five collections, filed by the job you're doing.
Decay rates to put in a board deck, list prices checked on a date, and the working method for enrichment, verification and prospecting.
- 15 statistics
B2B Data Enrichment Statistics 2026
15 statistics on data decay, market size and what poor data quality costs.Sourced figures you can drop into a board deck or a planning doc.Read - 12 vendors
B2B Sales Tool Pricing Guides
What ZoomInfo, Apollo, RocketReach, Clay, Cognism and others cost, from their published prices.The fees, credit rules and cost per contact that the list price leaves out.Read - Waterfall, providers, playbooks
B2B Data Enrichment
How to enrich B2B contact and company data, and what it costs per record.Waterfall enrichment, provider comparisons and setup guides.Read - Benchmarks and verification
Email Deliverability
Guides and benchmarks for keeping bounce rates down and your mail in the inbox.What verification checks, what a good bounce rate is and how to protect your sender reputation.Read - List building and ICP scoring
Sales Prospecting
How to build a prospect list that gets replies, and the tools that help.List building, LinkedIn enrichment and ICP scoring.Read
DistylStudies we ran, with the data attached.
Our own studies of the B2B data and GTM tools market. Each one ships with its raw dataset under CC BY 4.0, including the metrics where Cleanlist AI loses.
Open the research indexAlso in the library.
- LearnShort answers to common questions about B2B data enrichment and email verification. Each page opens with the answer.
- Free checklistsStep-by-step checklists for CRM cleanup, outreach, data quality and compliance. Tick as you go, no signup.
- Case studiesWhat changed for the teams that published their numbers: pickup rates, deal sizes, speed to lead.
- IntegrationsTwo-way with HubSpot, Salesforce and Pipedrive, one way out to Outreach, Salesloft and Lemlist.
- What is Cleanlist AI?The product in one page: Clu, the agents, the 25+ provider waterfall, and what each credit buys.
⇄
⇄
⇄
→
→
→
Put one list through the waterfall.
Upload a list, run it across 25+ providers and see how much of it comes back verified. A missed email or phone number costs nothing.
14 days of Pro, free: 250 credits, 3 seats, agents, Sequences and Clu in Slack.