Start for free

Recruit 50 ideal participants
in 24 hours

Verified participants for any research — product, academic, or market. From $39.9/mo, no per-participant fees.

Live preview · sample results50+ matched · ranked by relevance
Profile
Match
Company
Title
Email
Country
Sarah ChenSarah Chen
94%
Linear
Senior PM, Growth
✉ Check
🇺🇸US
Marcus WrightMarcus Wright
91%
Vercel
Director of Product Research
✉ Check
🇬🇧GB
Aditi KumarAditi Kumar
89%
Ramp
UX Research Lead
✉ Check
🇺🇸US
Tom FitzgeraldTom Fitzgerald
88%
Stripe
Senior Product Manager
✉ Check
🇮🇪IE
Yuki NakamuraYuki Nakamura
86%
Notion
Staff UX Researcher
✉ Check
🇯🇵JP
Emma MüllerEmma Müller
85%
Figma
Lead Product Researcher
✉ Check
🇩🇪DE
David ParkDavid Park
83%
Loom
Principal UX Researcher
✉ Check
🇰🇷KR

4 kinds of research, one search.

From research question to interview booked — in 4 steps

No panel signup. No screener approval. No waiting. Describe who, let AI do the rest.

1
Describe Who You Need

Natural language: by role, industry, geography, expertise, seniority — even niche signals like "shipped a feature in last 6 months" or "published in HCI journals."

2
AI Scans 100+ Sources

Lessie searches LinkedIn, company directories, professional databases, and verified networks — no panel signup, no screener approval, no waiting list.

3
Get Verified Contacts

Every result includes role, company, seniority, and a verified work email — with a relevance score. Direct outreach, no panel intermediary.

4
Run Your Study, Your Way

Send invites, book interviews via Calendly, run surveys, conduct usability tests — your tools, your incentives, your relationships. Lessie just brings the people.

Built for finding the right people — fast

Panels optimize for monetizing professional respondents. Lessie optimizes for your real problem: “find 10 specific people, fast” — whether for product, academic, or launch research.

🎯
Find the Right 0.1%

Prolific gives you students. Respondent.io gives you panel regulars. Lessie understands "fintech PMs who shipped in the last 6 months" or "HCI researchers at top-20 universities" — the niche populations panels can't reach.

  • Natural language: role, industry, expertise, recent activity
  • Multi-source fusion: LinkedIn + academic profiles + company data
  • Scored, ranked results — not a panel-ID dump
✉️
Direct Emails, Not Panel Handles

You contact participants directly through your own email — no panel platform sitting between you and them. Own the relationship, follow up, build a long-term research network.

  • 95%+ verified work emails
  • Send invites from your domain — better response rates
  • Build a private panel you own (not platform-locked)
Recruit in 60 Seconds, Not 6 Weeks

Stop waiting weeks for Respondent.io screener approval or Prolific to fill quotas. Type a query, get a ranked list of verified contacts in 60 seconds, send invites the same hour.

  • Under 60s from query to verified contact list
  • 1-click export to Calendly, Notion, Airtable, CSV
  • AI-drafted personalized invite emails included
💰
Flat $39.9/mo — Recruit Unlimited

Respondent.io: $50-100/participant. User Interviews: $30-75/session. Prolific: $0.50/participant + completion bonuses. Lessie: flat $39.9/mo, recruit 5 or 500 — same cost. Spend your budget on incentives, not platform fees.

  • No per-participant fees, ever
  • No quota limits or screener bottlenecks
  • You pay incentives directly — full budget goes to participants

Lessie vs. Respondent, User Interviews, and LinkedIn

Honest comparison against the tools researchers actually use today.

DimensionProlificRespondent.ioUser InterviewsLessie AI
Pricing$0.50/participant + completion bonuses$50-100/participant + screener fees$30-75/session + monthly feeFlat $39.9/mo, unlimited
Best forConsumer / student studiesConsumer panels, some B2BDesigner / UX panelsB2B + academic + niche industry
Time to first listHours (if quota fills)2-6 weeks (screener review)1-3 weeksUnder 60 seconds
Targeting precisionDemographic + basic prescreensDemographic filtersIndustry + role tagsNatural language, multi-criteria
Contact infoAnonymous panel handlesPanel-mediated, no direct emailSame — platform-mediatedVerified direct work emails
Relationship ownershipPlatform ownsPlatform owns participantsPlatform-mediatedYou own — direct contact

探索我们的解决方案

满足各种业务需求的AI驱动解决方案
🔎
Recruit Research Participants

Recruit 50 ideal B2B research participants in 24 hours — verified PMs, UX researchers, founders by role and industry.

🌟
寻找网红

利用AI搜索,在YouTube、TikTok、Instagram等平台发现并联系网红。

🎯
寻找客户

通过AI生成合格的B2B销售线索——寻找决策者、验证联系方式并自动化外联。

💰
寻找投资者

寻找符合您初创公司的投资者——按阶段、行业和地理位置搜索风险投资、天使投资和基金。

💼
招聘

在LinkedIn、GitHub等平台寻找顶尖人才——AI驱动的候选人搜寻和外联。

🤝
寻找合作伙伴

识别并联系战略合作伙伴——联合营销、整合和业务发展。

🏅
寻找教练

寻找适合您需求的教练——AI匹配商业、职业、高管和生活教练。

🚚
寻找分销商

发现批发、食品和行业分销商——通过AI验证联系方式并建立合作关系。

🌟
寻找网红

AI网红营销平台——在TikTok、Instagram、YouTube和LinkedIn上寻找拥有验证联系方式的创作者。

🌎
寻找本地网红

按城市和地区寻找网红——在纽约、迈阿密、芝加哥或任何地点搜索拥有验证联系方式的创作者。

🇧🇷
Encontrar Influenciadores

Encontre criadores de conteúdo e influenciadores brasileiros — busque por nicho, cidade e plataforma com e-mails verificados.

🚀
寻找早期采用者

找到您的前100位理想用户——AI在30秒内搜索50,000多家近期获得融资的初创公司及其决策者。

🔎
Recrutar Participantes (BR)

Encontre 50 contatos B2B qualificados em 60 segundos — emails verificados por cargo, setor e porte. Diferente de Opinion Box e MindMiners.

🏢
寻找房产线索

AI驱动的房地产平台——寻找房产线索、验证联系方式并开展个性化电子邮件营销活动。

🔎
AI人物搜索

在LinkedIn、X、GitHub和Crunchbase上进行AI人物搜索——随时随地寻找任何人,并提供验证的联系数据。

🔍
B2B市场研究

AI驱动的B2B市场情报、竞争对手分析和ICP研究,几分钟内完成。

📝
LinkedIn简历生成器

AI定制的LinkedIn简历——ATS优化、行业模板、免费下载。

📊
B2B数据

实时、验证的B2B数据——公司概况、联系方式、来自100多个来源的意向信号。

🔍
B2B销售线索查找器

AI驱动的B2B销售线索查找器——在2分钟内从100多个实时来源获取验证的联系方式。

📝
AI提案生成器

AI驱动的B2B提案生成器——在30秒内根据真实的潜在客户情报进行个性化定制。

🛡
商业背景调查

验证B2B供应商、合作伙伴和供货商——仅限公共来源、实时,不含FCRA消费者数据。

👤
LinkedIn个人资料优化器

AI驱动的LinkedIn个人资料审计和重写——与您所在职位的顶尖人才进行基准比较。

🎬
雇佣AI视频创作者

在TikTok、YouTube和Instagram上寻找并联系AI视频创作者——验证的电子邮件,AI个性化外联。

🎥
雇佣创意和视频人才

寻找YouTube视频编辑、3D设计师、缩略图设计师和社交媒体设计师——验证的联系方式,AI外联。

🔗
联盟伙伴查找器

描述您的产品和受众——Lessie AI会为您找到愿意以收入分成模式推广您的创作者、网站和运营者,并提供验证的电子邮件。

📦
亚马逊卖家查找器

按类别、收入等级和市场查找亚马逊FBA卖家、自有品牌和聚合商——并提供验证的联系方式。

👼
天使投资人查找器

描述您的阶段和理念——Lessie AI会为您找到在该领域积极投资的天使投资人,并提供验证的电子邮件以进行引荐。

✍️
B2B内容创作者查找器

描述您想要的运营者受众——Lessie AI会为您找到新闻通讯作者、B2B YouTube博主和LinkedIn意见领袖,并提供验证的电子邮件。

🪑
董事会顾问查找器

描述您董事会的空白——Lessie AI会为您找到具有运营者信誉的领域专家顾问,并提供验证的电子邮件。

🎨
品牌创作者查找器

描述您想要的受众——Lessie AI会为您找到受众与您的ICP重叠的创作者,并提供验证的电子邮件以直接推销。

🩺
临床顾问查找器

描述临床或科学问题——Lessie AI会为您找到医生顾问、KOL和研究人员,并提供验证的电子邮件。

🎤
会议演讲者查找器

描述您希望在舞台上进行的演讲——Lessie AI会为您提供一份合格演讲者的候选名单,并提供验证的电子邮件,随时可以邀请。

💻
CTO查找器

按技术栈、规模和架构历史查找CTO、工程副总裁和平台负责人——并提供验证的电子邮件。

🧑‍💻
开发者倡导者查找器

描述开发者受众和技术栈——Lessie AI会为您找到DevRel领导者、倡导者和社区建设者,并提供验证的电子邮件。

🔬
尽职调查专家查找器

描述尽职调查问题——Lessie AI会为您找到真正了解市场的领域专家,并提供验证的电子邮件以进行付费专家咨询。

🎪
活动赞助商查找器

描述您的活动和受众——Lessie AI会为您找到可能赞助的品牌,并提供每行正确的决策者电子邮件。

👔
兼职高管查找器

描述领导力空白——Lessie AI会为您找到具有匹配业绩记录的兼职CMO、CTO、CFO和COO,并提供验证的电子邮件。

🧩
集成合作伙伴查找器

描述您想要构建的集成——Lessie AI会为您找到具有API接口、客户重叠和正确BD负责人(带验证电子邮件)的SaaS公司。

🏛
有限合伙人查找器

寻找有限合伙人——家族办公室、捐赠基金、基金中的基金和高净值资产配置者——他们实际支持您阶段和理念的基金。

📈
营销机构查找器

按专业、客户组合和地理位置查找营销机构——并提供验证的创始人及BD电子邮件。

📧
新闻通讯赞助商查找器

查找在您的利基市场赞助新闻通讯的品牌——并提供验证的营销决策者电子邮件。

📰
新闻通讯作者查找器

按利基市场、受众规模和平台查找新闻通讯作者和运营者——并提供验证的直接电子邮件。

⚖️
专利律师查找器

描述技术和申请策略——Lessie AI会为您找到在该领域具有成功申请历史的专利律师,并提供验证的电子邮件。

🎙
播客嘉宾查找器

描述您想要的嘉宾——Lessie AI会为您提供一份经过筛选的候选名单,并提供验证的电子邮件,随时可以推销。

🏪
经销商查找器

用通俗易懂的语言查找已经向您的ICP销售的经销商、分销商和渠道合作伙伴,并提供验证的电子邮件。

⚙️
营收运营顾问查找器

描述营收运营空白——Lessie AI会为您找到在您的CRM、运营模式和阶段方面具有专长的专家,并提供验证的电子邮件以直接招聘。

☁️
Salesforce顾问查找器

按云服务、行业和认证查找经过认证的Salesforce顾问和合作伙伴——并提供验证的电子邮件。

🛒
Shopify机构查找器

按专业、品牌组合和地理位置查找Shopify Plus合作伙伴和设计/开发机构——并提供验证的电子邮件。

📑
技术撰稿人查找器

描述您需要的文档或开发者内容——Lessie AI会为您找到在您的技术栈中具有成熟案例的技术撰稿人,并提供验证的电子邮件。

🎯
销售副总裁查找器

按阶段、平均合同价值和过往策略查找销售副总裁、首席营收官和营收负责人——并提供验证的电子邮件。

常见问题解答

获取有关 Lessie AI 的常见问题解答。

How does Lessie AI find user research participants?

Lessie AI uses an agentic search engine that scans 100+ data sources — LinkedIn, company websites, professional networks, and B2B databases. Describe your ideal participant in natural language (e.g. 'fintech PMs at companies with 50-200 employees'), and Lessie surfaces matched professionals with verified emails and direct contact info, ranked by relevance score.

Why use Lessie instead of Respondent.io or User Interviews?

Respondent.io and User Interviews charge $50-150 per recruited participant, plus screener fees. Lessie is a flat $39.9/mo with no per-participant fee — recruit 5 or 500, same cost. You also get verified emails (not just panel handles), so you can reach out via your own email or Calendly invite, control the relationship, and follow up directly.

What kinds of participants can I find?

Any B2B persona you can describe: SaaS founders, product managers, UX researchers, growth marketers, engineering leads, RevOps, sales reps, customer success, and more. Filter by role, seniority, industry, company size, geography, tech stack, or recent funding. Lessie handles complex multi-criteria queries that traditional research panels cannot.

Can I run incentivized interviews through Lessie?

Lessie provides the participant list with verified contacts. You handle the incentive payment yourself (gift cards, Stripe, etc.) — but because Lessie is flat-fee, you can spend 100% of your incentive budget on participants instead of platform fees. Many teams report saving $1,000+ per study.

How accurate are the participant emails?

Lessie verifies every email in real-time before delivery, with 95%+ deliverability. We prioritize direct work emails over generic ones. If a contact bounces, it is replaced automatically.

Can I export to my recruitment tool?

Yes. Export to CSV, or push directly to Calendly, Notion, HubSpot, or Airtable. You can also use Lessie's built-in outreach to send personalized invitations and book interviews directly.

Can I use Lessie for academic research?

Yes — and this is one of Lessie's strongest use cases. Prolific and MTurk skew toward students and general consumers, which doesn't fit B2B or industry-specific academic studies (e.g. studying fintech adoption among CIOs, or HCI research with senior PMs). Lessie indexes professionals by role, expertise, and industry signals, giving you direct verified emails for IRB-approved outreach. Many academic teams use Lessie alongside Prolific: Prolific for general consumer panels, Lessie for niche industry populations.

How does Lessie work for pre-launch product research?

Pre-launch research is Lessie's sweet spot. You typically have 2-4 weeks before launch to validate messaging, pricing, or positioning with your target persona — and panels need 4-6 weeks just to fill the quota. Describe your launch target (e.g. "growth marketers at SaaS companies running paid acquisition"), get 50-100 verified contacts in 60 seconds, run concept tests or interviews the same week. Many teams use Lessie for both pre-launch validation and post-launch onboarding research.

Ready to recruit your next 50 participants — for any research?