Kapso

What is Kapso?

Kapso is a WhatsApp API platform for building messaging automation, AI agents, and multi-tenant integrations. It wraps the WhatsApp Cloud API with a visual workflow builder, a TypeScript SDK, and webhook infrastructure for sending messages and receiving replies. Kapso also helps teams parse and act on Meta webhooks instead of building custom tooling for each integration. It is aimed at developers, product teams, indie builders, and ops teams that need WhatsApp support in their coding software or AI coding tool stack. What sets it apart is its focus on managed WhatsApp integration for SaaS teams, including multi-tenant setup without months of Meta API work.

Key Features

• Functions: Serverless JavaScript functions run on Cloudflare Workers for webhooks, custom business logic, workflow steps, and agent tools, so teams can extend Kapso WhatsApp automations without managing infrastructure.
• Message Buffering: Message Buffering batches multiple whatsapp.message.received events with a configurable debounce window and max batch size, which helps reduce endpoint load during traffic bursts while keeping delivery grouped by conversation.
• Workflow Builder: Workflow Builder is a visual automation builder that connects WhatsApp events to nodes such as functions and agent tools, and it supports AI coding tool workflows for voice agents and serverless automations.
• WhatsApp Flows Agent: WhatsApp Flows Agent builds, deploys, and debugs WhatsApp Flows from natural language descriptions, so users can create forms, bookings, catalogs, and API-connected flows without writing Meta Flows JSON manually.
• TypeScript SDK: TypeScript SDK gives developers a WhatsAppClient with Kapso base URL and API key support, plus storage and query APIs for conversation history, messages, contacts, and call logs in one coding software interface.
• Advanced Webhooks: Advanced Webhooks include sequence-based ordering, automatic queuing for undelivered messages, and pausing on persistent failures, which helps keep WhatsApp event delivery reliable and ordered.
• Multi-Tenant Platform: Multi-Tenant Platform generates setup links so customers can connect their own Meta WhatsApp accounts, and it supports thousands of tenants with isolated WhatsApp Business Accounts.
• Conversation Storage and Query: Conversation Storage and Query keeps persistent records of conversations, message history, contacts, and call logs, so teams can access past WhatsApp activity through the API or TypeScript SDK.

Pricing

• Free: $0. Baseline features. Free tier is available forever, with usage limits not stated.
• Pro: Price not publicly disclosed. Includes everything in Free and up to 3 connected phone numbers. Usage includes 100,000 messages per month, then $0.002 per additional message. Extra phone numbers cost $10 per additional number after the first 3.

Pricing is not fully publicly disclosed, and Kapso notes that you can contact the vendor for a quote.

Who Is It For?

Ideal for:

• Customer support lead at a mid-market e-commerce brand: Kapso fits teams that handle high-volume WhatsApp inquiries in markets where WhatsApp is a main customer channel. It supports quick AI agent deployment without Meta API setup.
• Product manager at a small SaaS team with white-label services: Kapso suits teams onboarding 100+ SMB customers to WhatsApp channels. It helps connect customer numbers and set up workflows without long custom integration work.
• Growth marketer at a growth-stage fintech, delivery, or service business: Kapso works for teams running personalized WhatsApp campaigns and interactive flows on customer-owned numbers. It includes unlimited AI agents and serverless functions, which fits some-technical users.

Not ideal for:

• Enterprise compliance teams needing full data sovereignty: Heavy regulatory requirements can make separate Meta billing and the shared sandbox a poor fit, and Twilio Conversations or MessageBird are better options.
• Businesses that are not WhatsApp-focused: Kapso depends on WhatsApp and Meta, so teams centered on SMS or email should use Intercom or Zendesk instead.

Kapso is a fit for growth-stage teams of 10 to 200 people in WhatsApp-heavy markets, especially in e-commerce, fintech, delivery, and customer service. Use it if you need to handle 10k+ monthly WhatsApp conversations, connect many customer numbers, or avoid waiting on Meta API setup. Skip it if you need multi-channel support, strict enterprise compliance controls, or very low volume usage.

Alternatives and Comparisons

• BotSailor: Kapso does developer-focused WhatsApp work better, with APIs for real-time messages, contacts, and conversations, plus tools for AI agents, serverless functions, and voice agents. BotSailor does channel coverage better, with support for Facebook Messenger, Telegram, Instagram, and web chat from one dashboard. Choose Kapso if you need custom WhatsApp integrations or voice-enabled automations; choose BotSailor if you need no-code bots across several messaging channels. Switching from BotSailor to Kapso appears medium in difficulty based on the available research.

• Com.bot: Kapso does WhatsApp-specific setup better, with a visual workflow builder and real-time access to messages. Com.bot does agency resale better, with multi-tenant SaaS, custom domains, usage metering, and native integrations for Facebook, Instagram, and SMS beyond WhatsApp. Choose Kapso if your work is centered on fast WhatsApp AI agent deployment; choose Com.bot if you need a white-label platform across multiple channels.

• BotSense: Kapso does custom development better for AI-driven agents, conversational flows, and mini-apps inside WhatsApp chats. BotSense does built-in business tooling better, with LeadSense CRM, broadcasting tied to 95%+ open rates, and click-to-WhatsApp ads for SMB use. Choose Kapso if you are building more complex automations or voice agents; choose BotSense if you want e-commerce notifications and lead management without custom coding.

Getting Started

Setup:

• Signup: Email only. A free trial is available, and it does not require a credit card.
• Time to first result: Public setup data points to about 5 minutes for a first result. The first view is an empty dashboard, and the main required setup item is an API key.

Learning curve:

• Learning difficulty is not documented. The first use appears simple, with minimal hello world complexity and sample templates available, but custom work assumes some API integration background.
• Beginner: 5 to 10 minutes. Experienced: immediate for basics, and hours for custom setup links.

Where to get help:

• Official help appears to center on documentation, including guides for connecting WhatsApp, setup links, and WhatsApp Flows integration.
• No public Discord, Slack, forum, GitHub Discussions, email support channel, or live chat was found in the research, and no user reports describe support quality.
• Community presence appears nonexistent. Public signals suggest mostly unanswered support activity, and no third party tutorials, blog posts, YouTube guides, or courses about Kapso support were identified.

Watch out for:

• SMS or phone verification may be delayed if pre-verified numbers are not available.
• The product starts from an empty dashboard, so new users may need to rely on the docs and templates to decide what to set up first.

Integration Ecosystem

Kapso appears focused on a narrow integration surface, based on user reports and public documentation as of the research date. The available discussion centers on WhatsApp automations, and public information points to an API-first approach. We did not find user reports that describe a broader app ecosystem, and we did not find mention of an MCP server.

• WhatsApp: Users describe WhatsApp as the main integration and say it works fine for sending and receiving messages, media, and templates through the API, with workflow support for triggers, graphs, executions, functions, and databases.

We did not find recurring requests for missing integrations in the available research. Public discussion also does not show evidence of wider connectivity beyond WhatsApp-focused use cases.

Security and Privacy

• ISO 27001: The vendor states that Kapso is ISO 27001 certified.
• SOC 2 Type 2: The vendor states that Kapso has SOC 2 Type 2 certification.

Product Momentum

• Release pace: Public research for this section does not include user comments about Kapso's shipping speed.
• Recent releases: No dated release notes or named recent launches were included in the research data provided.
• Growth: Growth trajectory and funding status are not stated in the research data, so we cannot assess a viability narrative from this source alone.
• Search interest: Google Trends direction is unknown, with +0.0% change between the first half and second half of the period. The latest interest score is 0/100, and the peak interest score is 0/100.
• Risks: Limited public momentum data is a constraint here, and no other notable risks were included in the research data.

FAQ

What is Kapso?

Kapso is a platform for developers to send messages, receive replies, and automate WhatsApp through APIs, workflows, and team tools. It supports using your own WhatsApp numbers and onboarding customer numbers for messaging automation.

What is Kapso used for?

Kapso is built for adding WhatsApp to products and automating work such as support and sales. Public examples include WhatsApp Flows for lead capture and appointment booking.

Does Kapso have an API?

Yes. Kapso provides REST APIs for WhatsApp, uses API keys for access, and includes a TypeScript SDK for managing messages and Flows.

Does Kapso support WhatsApp Flows?

Yes. Kapso supports WhatsApp Flows built with JSON-defined components, and Meta Business Portfolio verification is required for responses.

How do I integrate Kapso with other tools?

Kapso supports APIs, SDKs, and webhooks for event handling. Paid plans include unlimited integration calls, and the platform also supports AI agents and workflows.

How long does it take to get started with Kapso?

Kapso says developers can connect a WhatsApp number in 2 minutes and start sending messages the same afternoon with the SDK or APIs. Other setup data notes a time to first result of 5 minutes.

Does Kapso have a free plan?

Yes. The Free plan includes 2,000 messages per month, 1 connected WhatsApp number, 1 GB of media storage, unlimited API calls, and a sandbox number for testing.

How much does Kapso cost?

Kapso offers Free, Pro, and Platform plans. The Free plan includes 2,000 messages per month and 1 number, while the Pro plan includes 100,000 messages per month and 3 numbers.

What is included in Kapso plans?

All plans include unlimited API calls, AI agents, workflows, serverless function calls, and a sandbox number. Plan differences are mainly in monthly message limits and connected numbers.

How does Kapso pricing work with Meta's charges?

Kapso bills for platform access, message processing, and support. Meta charges separately through your WhatsApp Business Account for delivered template messages, and those fees vary by category and country.

What counts as a message in Kapso limits?

Inbound and outbound messages both count toward monthly limits. That includes text, media, template, and interactive messages, while read receipts do not count.

Can I self-host Kapso or run it on-prem?

Public documentation describes Kapso as a cloud-based platform. No self-hosted or on-premises option is documented.

How does Kapso compare to Twilio?

Kapso is focused on WhatsApp APIs, includes unlimited API calls on all plans, and bills separately from Meta fees. Twilio supports more channels and bundles Meta costs, while Kapso includes a free sandbox for WhatsApp-focused use.

What are Kapso's data privacy practices?

Kapso processes and stores messages as part of its service. Public docs do not detail items such as GDPR compliance, and users manage their own WhatsApp Business Account for data handling.

How do I troubleshoot common Kapso errors?

Public docs point to API key setup and template approval as common issues. Kapso also provides a CLI and documentation examples for inspection and testing.