Best Knock alternatives in 2026

Looking for an alternative to Knock? Whether you've outgrown it, find the pricing steep, or just want to weigh your options, these are the strongest api development tools alternatives in 2026 — ranked on pricing, features, and who each one fits best. Knock itself has a free tier, so we've flagged where each option is cheaper, simpler, or more specialized.

1
Sendbird
Best for: developers
Chat and messaging APIs. A popular api tools alternative to Knock with a genuinely usable free tier — free – $399/mo. Particularly strong for developers.
4.3Free – $399/moVisit
2
Postman
Best for: developers
If Knock feels like overkill or over-budget, Postman is a leaner option with a genuinely usable free tier. The collaborative platform for API development. Pricing: free – $14/user/mo.
4.6Free – $14/user/moVisit
3
Doppler
Best for: developers
Doppler goes head-to-head with Knock on features with a genuinely usable free tier. SecretOps platform for teams. Best suited to developers. Free – $8/seat/mo.
4.7Free – $8/seat/moVisit
4
Inngest
Best for: developers
A well-rated api tools pick. Durable functions and events. Inngest offers a free plan and starts at free – $75/mo, making it a credible Knock replacement.
4.7Free – $75/moVisit
5
Bruno
Best for: developers
Offline, open-source API client. A popular api tools alternative to Knock with a genuinely usable free tier — free – $9 once. Particularly strong for developers.
4.7Free – $9 onceVisit
6
Trigger.dev
Best for: developers
If Knock feels like overkill or over-budget, Trigger.dev is a leaner option with a genuinely usable free tier. Background jobs for developers. Pricing: free – $50/mo.
4.7Free – $50/moVisit
7
Hoppscotch
Best for: developers
Hoppscotch goes head-to-head with Knock on features with a genuinely usable free tier. Open-source API development ecosystem. Best suited to developers. Free.
4.6FreeVisit
8
Infisical
Best for: developers
A well-rated api tools pick. Open-source secret management. Infisical offers a free plan and starts at free – $18/mo, making it a credible Knock replacement.
4.6Free – $18/moVisit

Still considering Knock itself? Read our Knock review →

Frequently asked questions

What is the best Knock alternative?

Sendbird is our top-rated Knock alternative for 2026. Chat and messaging APIs. Free – $399/mo.

Is there a free Knock alternative?

Yes — Sendbird, Postman, Doppler all offer a free tier you can start on without a credit card.

Why switch from Knock?

Common reasons are price, a simpler feature set, better fit for a specific use case, or platform support. Each tool above notes where it has an edge over Knock.