SaaS outbound

SaaS outbound: verify ICP emails before the sequence

SaaS GTM teams enrich ICPs in Apollo/Clay, then push to Instantly, Smartlead, Salesforge, or HubSpot sequences. Guessed emails and stale CRM rows create bounce spikes that hurt primary domains. Verifly is the PAYG verify gate — API-first, agent/MCP friendly, credits that never expire.

Verify an ICP leadAPI
curl -X GET "https://verifly.email/api/v1/verify?email={{lead.email}}" \
  -H "Authorization: Bearer vf_your_api_key"

Real-time SMTP mailbox checks

Single, batch, and async bulk verification

Disposable, role account, and catch-all detection

Pay-as-you-go credits with no subscription lock-in

Search fit

Built for SaaS outbound email verification

Use Verifly when you need a simple API, predictable pricing, and clean JSON results before emails hit your product, CRM, or campaign tool.

ICP enrichment → Verifly → sequencer (Instantly/Smartlead/Salesforge)
PLG signup + enrichment merge: verify before sales-assist email
Expansion outbound: clean installed-base contact exports
AI SDR / agent pipelines: MCP verify-before-send

Outbound vs signup validation

Use /use-cases/saas for product signup / invite validation. This page is outbound: finding and emailing ICPs who never opted into your app. Bounce tolerance is lower because you are cold-touching corporate domains that watch reputation closely.

Pipeline: define ICP → enrich → Verifly → sequence / CRM. Keep deliverable; policy-filter risky and catch-all.

Wire it into modern SaaS GTM stacks

Clay HTTP column, n8n/Make/Zapier, or direct API from your internal GTM tools. Agents can call hosted MCP at /mcp so AI SDRs never send to undeliverables.

  1. Mint vf_ key; store in Clay / automation secrets.
  2. After enrichment, verify each email (batch for speed).
  3. Filter deliverable into sequencer or HubSpot list.
  4. Monitor bounce; re-verify stale segments quarterly.
Batch ICP chunk
curl -X POST "https://verifly.email/api/v1/verify/batch" \
  -H "Authorization: Bearer vf_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"emails":["cto@acme.com","vp.sales@acme.com"]}'

Why SaaS teams choose PAYG verify

Outbound calendar follows launches, events, and quota — not a flat monthly seat. Verifly packs idle at zero cost between pushes. Compare economics on /blog/payg-vs-monthly-seats-email-verification and /tools/credit-calculator.

Contact: hello@veriflyemail.com.

FAQ

Frequently asked questions

Does this replace our sequencer’s built-in verification?

Use Verifly as the pre-import source of truth so the same clean list feeds Instantly, Smartlead, HubSpot, and agents — one credit pool, consistent verdicts.

How do we handle catch-all corporate domains?

Verifly flags catch-all. Many SaaS teams exclude them from first-touch cold email and use LinkedIn or warm intro instead.

Can product-led and sales-assisted share credits?

Yes. Signup validation (/use-cases/saas) and outbound can share one pack — credits never expire across motions.

Is Million Verifier involved?

Verifly is an independent product with its own API, pricing, and MCP. This page does not compare upstream vendors.

Ready to wire this?

Start free with 100 credits, mint a vf_ API key, and paste the recipe above. Buy a pack only when you need more — credits never expire.