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Calldock vs Vapi

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Entry price
Calldock from $49/mo, Vapi from $0.05/min — different billing units, so no direct winner
Free plan
Neither — Calldock has paid plans only, Vapi has paid plans only
Public API
Both have one
Higher Trust score
Vapi — 92 vs 77 for Calldock
Best fit
Calldock: Sales teams that need inbound leads called back within minutes · Vapi: Developers building phone-based support, booking or qualification agents

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

Side by side

FactCalldockVapi
CategoryAI SDRs & Sales AgentsVoice Agents & Phone AI
Pricing modelPaidPaid
Starts at$49/mo$0.05/min
Public APIYesYes
Trust score77 / 10092 / 100
PlatformsWeb, APIWeb, API
CompanyCalldockVapi Inc.
Launched20252020
Last verifiedOct 22, 2026Oct 15, 2026

What our research says

Calldock

A packaged speed-to-lead caller rather than a voice platform: the agent, the calendar write-back, the SMS follow-up and the human handoff all come assembled, and API access starts on the cheapest plan instead of being an enterprise upsell. The pricing is honest about being metered but easy to misread — $49 buys roughly a hundred minutes of US calling, not a month of unlimited dialling. Vendor transparency is thin, with no company registration or country published.

Pros

  • Books appointments straight into a connected calendar during the call
  • Transfers to a human when the conversation needs one
  • SMS and email follow-up are part of the same workflow
  • API access, playground and code examples start on the $49 tier
  • Connects to Gmail, Slack, Google Calendar and Zapier out of the box

Cons

  • Monthly fee only buys a credit balance; talk time is charged on top
  • US calls at $0.22 a minute make long conversations expensive
  • No company registration, address or country is published
  • Non-US call rates are not stated on the pricing table

Vapi

The default answer when a developer needs a voice agent on a phone line rather than a chat widget: it handles the hard real-time parts — barge-in, latency, turn-taking, telephony — and lets you swap in your own models. Enterprise adoption at Ring and Intuit is real validation. Cost forecasting is the hard part, because the platform fee is only one of four meters running.

Pros

  • Handles real-time voice mechanics: turn-taking, interruptions, latency and telephony
  • Bring-your-own-key support across OpenAI, Anthropic and Google avoids double model markup
  • CRM and helpdesk integrations for Salesforce, HubSpot and Zendesk
  • SOC 2, HIPAA and PCI compliance plus SSO and RBAC on the enterprise tier
  • Proven at scale, with Amazon Ring routing inbound support volume through it

Cons

  • The $0.05/minute platform fee sits on top of speech, model and voice provider costs
  • Concurrency beyond ten lines costs $10 per line per month
  • Enterprise compliance features require an annual Scale contract
  • It is a developer platform, so there is no usable no-code path

Which one fits

Choose Calldock if you need

  • Sales teams that need inbound leads called back within minutes
  • Agencies running outbound qualification for several clients
  • Founders who want appointments booked without hiring an SDR

Choose Vapi if you need

  • Developers building phone-based support, booking or qualification agents
  • Replacing IVR trees with something that actually listens
  • Teams that want to bring their own model and voice provider keys

Calldock vs Vapi: the questions people ask

Is Calldock cheaper than Vapi?

They charge in different units, so there is no like-for-like answer: Calldock starts at $49/mo, Vapi at $0.05/min. Entry price is the lowest paid plan as we last verified it.

Which has a public API, Calldock or Vapi?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.

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