Nodium vs Kapso: WhatsApp API for developers compared
Nodium and Kapso are both developer gateways to Meta's official WhatsApp Cloud API, priced on connected numbers and message volume. Kapso adds a team inbox and AI agents; Nodium only carries messages, is billed in euros and hosts data in the European Union.
At a glance
| Nodium | Kapso | |
|---|---|---|
| Free plan | Build: 3,000 messages a month, 1 number | Free: 2,000 messages a month, 1 number |
| First paid plan | Launch: €19 a month, 100,000 messages, 3 numbers | Pro: $25 a month, 100,000 messages, 3 numbers |
| Extra number | €8 a month (Launch), €4 (Scale) | $10 a month (Pro), $5 (Platform) |
| Large plan | Scale: €249 a month, 1,000,000 messages, 50 numbers | Platform: $299 a month, 1,000,000 messages, 50 numbers |
| Meta's fees | Paid by the number's owner directly to Meta, no markup | Paid to Meta; centralized Meta billing on Platform |
| Team inbox, AI agents | No: Nodium never answers a message | Yes, included |
| Developer tools | REST API, TypeScript SDK, CLI, MCP server, OpenAPI | REST API, TypeScript SDK, CLI, MCP server |
| Hosting | European Union (Paris, Ireland) | Not stated on the pricing page |
When Kapso fits better
- You want a shared inbox and AI agents in the same product as the API.
- You want a pre-verified US number provided for you.
- You want to pay Meta's fees for all your customers on one invoice.
When Nodium fits better
- You want a gateway that transports and nothing else: every inbound message goes to your webhook, every reply comes from your code.
- Your customers are in Europe: prices in euros, data hosted in the European Union, erasure by API. See security.
- You connect your customers' numbers: one key, one client per customer, a hosted connect link.
- You want a bill you can predict: overage is billed per 1,000 messages up to a cap you set yourself.
Frequently asked questions
Do Nodium and Kapso use the official WhatsApp API?
Yes. Both connect numbers through Meta's WhatsApp Cloud API, not through a WhatsApp Web session.
Is Nodium cheaper than Kapso?
On the public prices of 10 November 2026, Nodium's paid plans cost €19 and €249 a month where Kapso's cost $25 and $299, for the same included messages and numbers. Kapso's plans include an inbox and AI agents that Nodium does not offer.