How quickly can we sync HubSpot or Zoho?

Most teams have native sync running within a single working day, including user mapping and call disposition fields.

What compliance does the platform support?

HIPAA-ready configurations and carrier-signed STIR/SHAKEN attestation are available for qualifying customers.

What languages do the SDKs support?

Typed SDKs ship for TypeScript, Python and Go on day one. A thin REST layer keeps you covered everywhere else.

Can we provision numbers programmatically?

Yes. Local, toll-free and mobile numbers in 100+ countries can be searched, reserved and assigned through a single API call.

Solutions SaaS & Tech

The phone stack SaaS teams graduate to.

APIs for engineering. Native CRM sync for revenue. Real recording for product. One platform built for the moment WhatsApp groups and Google Voice stop being enough.

Get A Free Trial See Pricing

REST APIWebhooksCRM Native100+ Country Coverage

TKOS SDK · v2.4Connected

1import { TKOS } from "@tkos/sdk"
2
3const client = new TKOS({
4  apiKey: "tk_live_••••••",
5  region: "auto",
6});
7
8const call = await client
9  .voice.create({
10    to:  "+1-555-0100",
11    ai: { sentiment: true },
12  });
13
14// ✓ cal_XyZ7 · status: ringing

Response200 OK

{
"id":"cal_XyZ7Kp"
"status":"ringing"
"latency_ms":48
"region":"us-east-1"
}

Webhook fired

call.completed · 2s ago

POST → 200 · 48ms

Transcription ready

call.transcribed · 5s ago

POST → 200 · 112ms

48ms

Avg Latency

12.4K

Calls / hr

99.9%

Uptime

3 live

Regions

What a growing tech team actually needs

The phone, but built like the rest of your stack.

Six things engineering, revenue and product all want from the same vendor shipping in one platform, with no integration tax including a tightly tuned business phone at the centre.

tkos / changelog.md

v2.4 stable

REST API + Webhooks

events

Typed events for every call, message and lifecycle change.

Native CRM Sync

crm

HubSpot, Zoho, Pipedrive and the rest of your stack.

Per-seat AI Assistant

Auto-logs the conversation to the right record, every time.

Conversation Intelligence

Demos and renewals tagged with talk-track and risk signals.

Softphones Everywhere

clients

Web, macOS, Windows, iOS, Android same login.

Enterprise Controls

security

RBAC, audit trail and SSO built for the security questionnaire.

$ git log --shippedcommits 6 features breaking changes 0

APIs for the product team

Voice and messaging, ready to npm install.

If your product talks to customers via phone, SMS or 2FA, TKOS APIs handle the plumbing. Typed SDKs, webhook events and granular access controls pair them with our AI conversation tools or our Zoho integration and there is no carrier build-out, no surprise weekends.

place-call.ts

200 OK

1import { Tkos } from '@tkos/sdk'2 3const tkos = new Tkos({ apiKey: process.env.TKOS_KEY })4 5// place a call from the product, log to CRM6const call = await tkos.calls.create({7 from: '+27 11 9876 ',8 to: contact.phone,9 recording: 'enabled',10 metadata: { dealId: deal.id }11})12 13// 200 OK webhook will fire on each lifecycle event

main syncedscoped key prod

Webhook stream

Live

12:04:22
call.initiated
+1 415 0021 â† +27 11 6622
12:04:24
call.answered
agent_8429 CT-01
12:08:11
ai.summary.ready
deal_2241 HubSpot
12:08:12
call.completed
duration 3m 50s disp won
12:08:14
recording.available
rec_a91c redacted

POST /webhooks/tkosretries 3 idempotent

HubSpot integration Zoho integration Read the API docs

Global reach

Reach where your customers sign up.

Provision local numbers in markets where your users live, route calls intelligently, and keep the cost line predictable as you scale into new regions, all riding the SIP standard.

US+1 415 555 0921Local

GB+44 20 7946 0021Local

ZA+27 11 9876 6622Local

DE+49 30 1234 5678Local

Numbers everywhere your users are

100+

countries local, mobile and toll-free

United States

+1 415 555 0921

Local

United Kingdom

+44 20 7946 0021

Local

South Africa

+27 11 9876 6622

Local

Germany

+49 30 1234 5678

Local

Local-first dialing

Outbound caller ID matched to the destination, automatically.

Predictable cost line

Per-country rate cards and pooled minutes that scale with usage.

Provision via API

Search, reserve and assign numbers without touching a portal.

Builder-friendly plans and free-trial details live on our pricing page.

Visit our pricing page

Customer Stories

Trusted by teams who outgrew the basics.

Engineering, RevOps and security all sign off and stay signed off.

Rajiv Pillay

VP Engineering

Stitchwave

5.0

“We connected our CRM to the phone in one engineering sprint. Lifecycle webhooks pushed the rest.”

Sarah Chen

Director of Product

NexGen CRM

5.0

“The automated sentiment analysis and CRM sync saved our product team hundreds of hours of manual call listening. We now have a direct line from customer conversations to our product roadmap, fully automated via the TKOS API.”

Hannah Park

Head of Security

Northpath

5.0

“The day our security team saw the SOC pack and the audit log, the procurement conversation ended.”

Diego Reyes

Head of RevOps

Quantbase

5.0

“Provisioning local numbers in three new markets used to be a quarter-long project. Now it ships in an afternoon.”

FAQ

What engineering and revenue teams ask before they wire it in.

The questions that come up on the first technical call. Anything we missed your account manager will walk you through it.

Yes. REST API, webhooks and typed SDKs are available across the paid plans, with open API access included from the lowest tier.

Get A Free Trial

Ship voice and messaging in your product.

A 14-day trial, full API access, and an engineer on call to help you wire it in.

Get A Free Trial See Pricing

14-day trialNo credit card requiredAPI access from day oneEngineer on call

Solutions SaaS & Tech

The phone stack SaaS teams graduate to.

APIs for engineering. Native CRM sync for revenue. Real recording for product. One platform built for the moment WhatsApp groups and Google Voice stop being enough.

Get A Free Trial See Pricing

REST APIWebhooksCRM Native100+ Country Coverage

TKOS SDK · v2.4Connected

1import { TKOS } from "@tkos/sdk"
2
3const client = new TKOS({
4  apiKey: "tk_live_••••••",
5  region: "auto",
6});
7
8const call = await client
9  .voice.create({
10    to:  "+1-555-0100",
11    ai: { sentiment: true },
12  });
13
14// ✓ cal_XyZ7 · status: ringing

Response200 OK

{
"id":"cal_XyZ7Kp"
"status":"ringing"
"latency_ms":48
"region":"us-east-1"
}

Webhook fired

call.completed · 2s ago

POST → 200 · 48ms

Transcription ready

call.transcribed · 5s ago

POST → 200 · 112ms

48ms

Avg Latency

12.4K

Calls / hr

99.9%

Uptime

3 live

Regions

What a growing tech team actually needs

The phone, but built like the rest of your stack.

Six things engineering, revenue and product all want from the same vendor shipping in one platform, with no integration tax including a tightly tuned business phone at the centre.

tkos / changelog.md

v2.4 stable

REST API + Webhooks

events

Typed events for every call, message and lifecycle change.

Native CRM Sync

crm

HubSpot, Zoho, Pipedrive and the rest of your stack.

Per-seat AI Assistant

Auto-logs the conversation to the right record, every time.

Conversation Intelligence

Demos and renewals tagged with talk-track and risk signals.

Softphones Everywhere

clients

Web, macOS, Windows, iOS, Android same login.

Enterprise Controls

security

RBAC, audit trail and SSO built for the security questionnaire.

$ git log --shippedcommits 6 features breaking changes 0

APIs for the product team

Voice and messaging, ready to npm install.

place-call.ts

200 OK

main syncedscoped key prod

Webhook stream

Live

12:04:22
call.initiated
+1 415 0021 â† +27 11 6622
12:04:24
call.answered
agent_8429 CT-01
12:08:11
ai.summary.ready
deal_2241 HubSpot
12:08:12
call.completed
duration 3m 50s disp won
12:08:14
recording.available
rec_a91c redacted

POST /webhooks/tkosretries 3 idempotent

HubSpot integration Zoho integration Read the API docs

Global reach

Reach where your customers sign up.

Provision local numbers in markets where your users live, route calls intelligently, and keep the cost line predictable as you scale into new regions, all riding the SIP standard.

US+1 415 555 0921Local

GB+44 20 7946 0021Local

ZA+27 11 9876 6622Local

DE+49 30 1234 5678Local

Numbers everywhere your users are

100+

countries local, mobile and toll-free

United States

+1 415 555 0921

Local

United Kingdom

+44 20 7946 0021

Local

South Africa

+27 11 9876 6622

Local

Germany

+49 30 1234 5678

Local

Local-first dialing

Outbound caller ID matched to the destination, automatically.

Predictable cost line

Per-country rate cards and pooled minutes that scale with usage.

Provision via API

Search, reserve and assign numbers without touching a portal.

Builder-friendly plans and free-trial details live on our pricing page.

Visit our pricing page

Customer Stories

Trusted by teams who outgrew the basics.

Engineering, RevOps and security all sign off and stay signed off.

Rajiv Pillay

VP Engineering

Stitchwave

5.0

“We connected our CRM to the phone in one engineering sprint. Lifecycle webhooks pushed the rest.”

Sarah Chen

Director of Product

NexGen CRM

5.0

Hannah Park

Head of Security

Northpath

5.0

“The day our security team saw the SOC pack and the audit log, the procurement conversation ended.”

Diego Reyes

Head of RevOps

Quantbase

5.0

“Provisioning local numbers in three new markets used to be a quarter-long project. Now it ships in an afternoon.”

FAQ

What engineering and revenue teams ask before they wire it in.

The questions that come up on the first technical call. Anything we missed your account manager will walk you through it.

Yes. REST API, webhooks and typed SDKs are available across the paid plans, with open API access included from the lowest tier.

Get A Free Trial

Ship voice and messaging in your product.

A 14-day trial, full API access, and an engineer on call to help you wire it in.

Get A Free Trial See Pricing

14-day trialNo credit card requiredAPI access from day oneEngineer on call

The phone stack SaaS teams graduate to.

The phone, but built like the rest of your stack.

REST API + Webhooks

Native CRM Sync

Per-seat AI Assistant

Conversation Intelligence

Softphones Everywhere

Enterprise Controls

Voice and messaging, ready to npm install.

Reach where your customers sign up.

Trusted by teams who outgrew the basics.

What engineering and revenue teams ask before they wire it in.

Q1.Is there a developer API?

Q2.How quickly can we sync HubSpot or Zoho?

Q3.What compliance does the platform support?

Q4.What languages do the SDKs support?

Q5.Can we provision numbers programmatically?

Ship voice and messaging in your product.

The phone stack SaaS teams graduate to.

The phone, but built like the rest of your stack.

REST API + Webhooks

Native CRM Sync

Per-seat AI Assistant

Conversation Intelligence

Softphones Everywhere

Enterprise Controls

Voice and messaging, ready to npm install.

Reach where your customers sign up.

Trusted by teams who outgrew the basics.

What engineering and revenue teams ask before they wire it in.

Q1.Is there a developer API?

Q2.How quickly can we sync HubSpot or Zoho?

Q3.What compliance does the platform support?

Q4.What languages do the SDKs support?

Q5.Can we provision numbers programmatically?

Ship voice and messaging in your product.