Messaging under your control.

FaithAPI connects your product to WhatsApp through dedicated infrastructure, with operational context, continuity, and freedom to evolve.

FaithAPI connecting a product to WhatsApp, webhooks, event history, and operational controls.

Integration stops being a detail when your product depends on it.

FaithAPI takes ownership of this layer so product, engineering, and operations share the same context—without turning every external change into a change in your system.

Control

Connections, sessions, and messages organized within a boundary owned by your product.

Continuity

Explicit states and durable processing keep a failure from erasing operational context.

Independence

A consistent surface for evolving integrations without spreading dependencies across your system.

Built for the center of your operation.

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Customer serviceAutomationsNotificationsSaaS platformsInternal systemsInternal operations

Built by Onefold.

FaithAPI grew from a real infrastructure need: keep messaging understandable, recoverable, and under control as operations grow.

See how it works

Want to evaluate the integration from the inside?

API contracts, instance lifecycle, idempotency, events, webhooks, and the SDK are available in the public documentation.

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Control the layer that keeps your communication running.

Choose the adoption model that fits your team and infrastructure.

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