Verifly vs CaptainVerify
CaptainVerify is a European-rooted bulk verification and cleaning service. Verifly is an API-first, agent-native verification service.
CaptainVerify is a widely used email and phone verification service with a strong European following, offering bulk list cleaning through a dashboard, a real-time API, and a focus on GDPR-conscious data handling. If you want a familiar bulk cleaner with EU data sensibilities and a straightforward interface, it fits well. If your job is to verify deliverability from your own code, at signup, or from an autonomous agent, an API-first design fits better. This page compares how the two price verification, how their APIs feel, whether an AI agent can use each without a human, and how each handles catch-all and role addresses. Treat every CaptainVerify figure here as a starting point and confirm it on their current pricing page before buying.
Pricing Comparison
| Volume | Verifly | CaptainVerify | You Save |
|---|---|---|---|
| 2,000 | 100 free + $10 pack (5k credits) | Check current CaptainVerify quote | Use calculator |
| 5,000 | $10 pack (5k credits) | Check current CaptainVerify quote | Use calculator |
| 25,000 | $37 pack | Check current CaptainVerify quote | Use calculator |
| 100,000 | $99 pack | Check current CaptainVerify quote | Use calculator |
| 1,000,000 | $599 pack ($0.60/1k) | Check current CaptainVerify quote | Use calculator |
Competitor prices can change. Enter a current quote in the calculator before making a pricing decision.
Open cost calculatorFeature Comparison
| Feature | Verifly | CaptainVerify |
|---|---|---|
| SMTP Verification | ||
| Disposable Email Detection | ||
| Catch-All Detection | ||
| MX Record Check | ||
| Role Account Detection | ||
| Phone Number Verification | ||
| Bulk Upload (CSV) | ||
| REST API | ||
| Async Bulk API (up to 1M) | Check current API limits | |
| Hosted MCP Server (AI agents) | ||
| Autonomous Agent Self-Registration | ||
| Crypto Payments | ||
| Credits Expire? | Never | Check current plan terms |
| Free Tier | 100 credits | Check current offer |
Why Choose Verifly
- API-first design: a single GET /verify?email= call returns deliverable / undeliverable / risky plus catch-all, disposable, and role flags
- Flat, published packs from $2 per 1,000 down to $0.60 per 1,000 at the 1M pack
- Credits never expire and there is no monthly minimum
- Hosted MCP server (15 tools) so a Claude-style agent verifies with zero glue code
- An agent can self-register for its own key and 100 free credits with no captcha and no human
- Async bulk endpoint handles campaign-sized lists up to 1,000,000 programmatically
- Cryptocurrency accepted for top-ups
Where CaptainVerify Wins
- Established European brand with GDPR-conscious data handling
- Verifies phone numbers as well as email under one account
- Familiar bulk cleaning dashboard for one-off list scrubbing
- Real-time API alongside batch cleaning
- Localized support and interface for EU-based teams
CaptainVerify Drawbacks
- Bundled email-plus-phone scope is more than you need for verification-only work
- No hosted MCP server, so AI agents need a hand-rolled REST integration
- No autonomous account or key creation for agents; a human has to sign up
- No cryptocurrency payment option
- Per-plan pricing and credit terms can change, so a like-for-like comparison needs a fresh quote
The Verdict
CaptainVerify and Verifly both do the core job well — separating deliverable from undeliverable addresses and flagging catch-all, disposable, and role accounts. The difference is scope and posture. CaptainVerify is a rounded, EU-rooted hygiene service that also verifies phone numbers and emphasizes GDPR-conscious handling, delivered through a familiar bulk dashboard. Verifly is API-first and single-purpose. It returns the same core email verdict and flags, prices every pack publicly, never expires credits, and exposes a hosted MCP server plus agent self-registration so an autonomous workflow can verify without a human touching a dashboard. Pick CaptainVerify if you want phone plus email hygiene with EU data sensibilities and a bulk interface. Pick Verifly if email verification is the whole job and you want a fast, cheap, code- or agent-callable check. Last reviewed June 2026; confirm current CaptainVerify pricing and credit terms before purchasing.
Frequently asked questions
Is Verifly cheaper than CaptainVerify?
For email verification-only use it often is, because Verifly uses public flat packs from $2 per 1,000 down to $0.60 per 1,000 at the 1M pack, with no subscription and credits that never expire. CaptainVerify’s effective cost depends on the plan and whether you also use phone verification. Check CaptainVerify’s current published rates for your volume before comparing.
Does CaptainVerify have an MCP server for AI agents?
No. CaptainVerify offers a dashboard and a REST API but does not publish a hosted Model Context Protocol server. Verifly runs a hosted MCP endpoint at verifly.email/mcp with 15 tools, so an AI agent can verify addresses and run batches without custom integration code.
Can an AI agent sign up for CaptainVerify on its own?
No. CaptainVerify expects a normal human signup. With Verifly, an agent can call the self-registration endpoint to mint its own vf_ API key and receive 100 free credits, with no captcha and no human in the loop.
Does Verifly verify phone numbers like CaptainVerify?
No. Verifly focuses only on email verification, returning a deliverability verdict with catch-all, disposable, and role flags. If you need phone verification alongside email under one vendor, CaptainVerify covers that and Verifly does not.
How do the APIs compare for a developer?
Verifly is minimal by design: Bearer vf_ auth, GET /verify?email= for a single address, POST /verify/batch for up to 100 at once, and an async bulk endpoint for lists up to 1,000,000. Confirm CaptainVerify’s current API endpoints and per-plan limits before assuming a like-for-like set.
Do Verifly credits expire like some CaptainVerify plans?
Verifly credits never expire; you buy a pack once and use it whenever you need it. CaptainVerify credit and plan terms vary, so confirm expiry and rollover rules for the specific plan you are considering on its current pricing page.
What about GDPR and data handling?
CaptainVerify emphasizes EU-rooted, GDPR-conscious handling, which some European teams specifically require. Verifly processes verification requests to return a verdict; if you have strict data-residency or regulatory requirements, review each provider’s current data-processing terms directly rather than relying on this page.
Can I migrate my CaptainVerify list to Verifly easily?
Yes. Export to CSV, run a representative sample through Verifly’s dashboard or async bulk endpoint, and compare verdicts against results you already trust from CaptainVerify. There is no contract or minimum to unwind before switching.
Migrating from CaptainVerify to Verifly
Most teams move in two steps. First, they take a few thousand addresses already cleaned in CaptainVerify and re-run them through Verifly, then compare the deliverable/undeliverable/risky verdicts column by column. Because Verifly returns the same core email signals plus catch-all, disposable, and role flags, the results line up and you can trust the switch before moving spend.
Second, they swap the integration. If you used CaptainVerify’s dashboard or REST API for email, point your code at https://verifly.email/api/v1, send a Bearer vf_ key, and call GET /verify?email= for single checks or the async bulk endpoint for full lists. If you also relied on CaptainVerify for phone verification, keep it for that and route only email checks to Verifly. There is no contract to cancel and no monthly minimum.
When CaptainVerify is the better choice
Verifly is email-only and API-first, and there are real cases where CaptainVerify fits better. If you need to verify phone numbers alongside emails under one vendor, or you are an EU-based team that specifically wants a European-rooted service with GDPR-conscious handling and localized support, CaptainVerify covers ground Verifly does not.
Verifly is the better pick when email verification is the whole job and belongs in your own code — at signup, on import, inside a job — or when the caller is an AI agent or automated pipeline that must run without a person opening a dashboard. If you want both, run CaptainVerify for phone and EU-specific needs and send email verification calls to Verifly.
How verification accuracy compares
Accuracy in email verification is decided by the ambiguous cases, not the obvious ones. Any service can reject an address at a domain with no MX record. The hard cases are catch-all domains that accept everything at the SMTP layer, role addresses like info@ or sales@ that are valid but risky to mail, and disposable providers that constantly spin up throwaway domains.
Both Verifly and CaptainVerify flag all three explicitly and both run live SMTP checks rather than relying only on static lists. Verifly surfaces the result as a plain verdict plus boolean flags — catch-all, disposable, role, deliverable/undeliverable/risky — which is easy to branch on in code. CaptainVerify returns a similar email verdict within its broader email-and-phone toolkit. For the core question of whether a message will land, the two are comparable.
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