okki-go Workflow, Email Verification API Docs, and AI Email Writers: A Pitfall Documenter's FAQ

2026-09-11 · Julian Hartwell

I've been running B2B outbound tooling for 8 years. Between October 2024 and March 2025, I evaluated six AI-driven prospecting platforms, helped migrate two teams off of legacy stacks, and made enough mistakes that I've documented every one of them in our internal Notion. Below are the six questions I get asked most often (by our own SDRs, by peers at other companies, and by people who find my old Reddit comments).

Nothing here is sponsored. I write from what my team has actually done and what it cost us.

What is the okki-go agent workflow, and how does it actually work?

okki-go is okkigo's agent-native prospecting layer (meaning the automation is designed as a pipeline of agents, not just a sequence sender with AI bolted on). The workflow, roughly: you define an ICP, an agent stage pulls matching prospects, runs them through waterfall enrichment plus intent signals, and then routes them to a human review step before anything goes out.

I'm fairly skeptical of "agent-native" as a marketing phrase. But in January 2025, we ran a side-by-side. On our old sequential prospecting, our nine SDRs were each working roughly 430 prospects per cycle. On the agent pipeline, that number climbed to around 1,100 with the same human review points. That's maybe 40 hours a month of draft-and-triage time we got back. The math works for a team our size. If you're a two-person shop, the orchestration overhead may not be worth it.

How do you uninstall okki-go (and why you should pause before you do)

People search "how to uninstall okki-go" for two reasons: they finished a trial, or they hit a sync bug and got frustrated. I fell into the second bucket in November 2024, when our CRM integration kept double-importing contacts. Turned out to be a scope issue in our OAuth permissions (our fault, not theirs).

  • Chrome extension: go to chrome://extensions, remove the extension, then revoke the OAuth grant in your Google Workspace admin console. Removing the extension alone doesn't kill the token.
  • Desktop app: use the standard OS uninstaller, then check %AppData% or ~/Library/Application Support for residual cache files.
  • Data deletion: email support and explicitly ask for workspace data deletion. Unsubscribing alone typically leaves contact data in place for 30–90 days depending on the contract, so wait before you assume it's gone.

I'll admit this is a slightly embarrassing story. We almost churned over a misconfiguration. Five minutes on a support call would have saved us a week of re-evaluation.

What should a good email verification API documentation page actually contain?

Most email verification API documentation is written for developers, not for the people who will actually get burned by it. The endpoint list and auth flow are the easy part. What I look for now:

  • Does "valid" mean syntax-valid, MX-valid, or SMTP-probed (i.e., a live handshake confirming the mailbox exists)?
  • Do "unknown" or "risky" results count against your bounce rate when you send?
  • What are the actual rate limits per second and per minute, and what happens when you exceed them?
  • Does a single verification consume one credit or multiple (redundant check on catch-all domains)?
  • Whose sending reputation is being spent — yours or the vendor's?

In July 2024, we verified 18,000 contacts and roughly 220 came back "valid" but were accept-all catch-alls. Not the vendor's fault — the docs said so — but I hadn't read that line carefully. Of those 220, 13 turned into hard bounces. Not a lot, but enough to trip a sending pause on a monitored domain. Any verification API that doesn't plainly state its definition of valid, and its uncertainty, has a problem waiting for you.

What features should an email verification service actually have?

Longer feature lists usually mean weaker checks. I'd rather see five honest ones than thirty padded ones. Priority order for us:

  1. Syntax and domain validation (table stakes)
  2. MX record check
  3. SMTP probe against the actual mail server
  4. Disposable and role-account filtering — this one is underrated and it matters a lot for cold outbound
  5. Risk scoring rather than binary pass/fail, so you can set your own threshold per campaign

Predictive bounce scoring is fine as a bonus if it's backed by real historical send data. "AI-powered" is not evidence of anything on its own.

What is an AI email writer, and when should a B2B sales team actually use one?

An AI email writer uses a language model to draft cold emails, follow-ups, or sequence steps. B2B teams use it to shorten draft time and to A/B test subject lines at volume.

Use it when:

  • You have four or more SDRs generating meaningful weekly volume and you need consistency.
  • You're drafting structural content (follow-up frameworks, meeting recaps) rather than final cold copy.
  • You'll keep a human-in-the-loop review step. Non-negotiable, in my experience.

Don't use it when:

  • You have ten high-value prospects and a hand-written email takes ten minutes.
  • Your buyers are enterprise tech teams who already pattern-match on AI phrasing. "Hope this email finds you well" has been sent to a folder that nobody reads.

Our Q3 2024 test: the numbers said pure AI drafting was 3x faster. My gut said replies would tank. We ran it anyway. AI-first drafts were, indeed, 3x faster to produce — and the meeting-booked rate was about 40% lower than our hand-written baseline. We now use AI as a first-draft machine and rewrite the opening two lines by hand. The pure-AI experiment burned two weeks, and it should've taken two days to learn the same thing.

What do I wish I'd known before buying any of these tools?

Three things, in order of how much they cost me:

  1. Clean your list before you shop for tools. No platform fixes bad data. We spent roughly $3,400 in Q2 2024 on enrichment for a list that should have been trimmed by half first.
  2. Read the trial-to-paid contract language on day one. We got auto-converted to an annual plan once because nobody flagged the renewal date. That was a $6,900 lesson.
  3. Ask about data retention and regional compliance in writing. GDPR and CCPA policies vary wildly between vendors and rarely appear in the sales deck. We had to walk away from one contract late in 2024 because the retention terms didn't match what we'd been told verbally.

Prevention beats rework, every time. Between these three and a few smaller ones, I've personally cost our team around $23,000 learning things a checklist would have caught. Checklists are cheap. Rework isn't.