Relay.app review

Relay.app is a cloud-based, no-code SaaS application for connecting software and coordinating multi-step business processes. It sits between the apps a team already uses: triggers start a workflow, actions move data or call connected services, and conditional paths control what happens next. The product combines those actions with built-in AI and human checkpoints, so a workflow can pause for review, approval, edits or missing input before continuing.

The visual editor supports branches, merged paths, subflows and iterators for lists. Connectors handle nested and linked data structures, and native tables store structured records inside Relay.app. Workflows can start from app events, schedules, incoming webhooks, or manual and API triggers. This is a browser-accessed managed service, not a library, CLI or self-hosted server. It targets operations, sales, marketing and support teams that need automation with human oversight, rather than an autonomous process that runs without review.

Relay.app is built around a visual workflow editor and prebuilt app connectors, rather than a code-first SDK. The named integration surfaces are third-party app events, incoming webhooks, and manual and API triggers. The vendor lists a catalog of 100–200 native integrations, including Gmail, Slack, HubSpot, Notion, Webflow, Airtable, Stripe, Jira and Google Workspace.

The homepage does not name an API style, SDK, programming language or CLI. If your integration needs custom code, confirm SDK and language support in Relay’s docs before adopting it; do not assume an API trigger means a general-purpose REST API. Built-in AI steps can use OpenAI GPT-4o, Anthropic Claude and Google Gemini without external API keys. For developers, the main integration work is configuring triggers, mapping connector data and arranging workflow control in the editor. Test nested data, error handling and authentication behavior in the specific connectors your workflow depends on.

The Free plan costs $0 and includes one user, 200 workflow steps per month and 500 AI credits per month. It is enough to explore basic automations, but its step and AI-credit caps can constrain a live workflow. Professional costs $19 per month with annual billing or $38 month to month, for one user, 750 steps and 5,000 AI credits per month.

Team costs $59 per month with annual billing or $118 month to month. It includes 10 users, 2,000 steps and 5,000 AI credits per month. Enterprise has custom pricing, seat limits and workflow and AI-credit limits. The pricing page lists an add-on of 5,000 AI credits from $11 per month, billed annually. Additional seat costs and workflow-step overage rates are not published, so ask how usage is handled before designing around higher volumes. The product is proprietary rather than an open-source option, so self-hosting is not a way to avoid plan limits.

Relay.app is closed-source proprietary software. It runs as a managed cloud service; there are no open-source repositories, Docker containers or self-hosting option. That means your workflows depend on Relay.app’s service, connectors and plan limits, rather than infrastructure you control.

The vendor does not publish a workflow or data export path in its public product details. Confirm whether workflows, native-table records, credentials and run history can be exported, and in what format, before committing important processes. A Reddit commenter advised users to export their work ahead of a reported shutdown, and another described rebuilding workflows elsewhere. Treat migration as a possible rebuild: document branches, mappings, app dependencies and approval steps, and keep copies of business data outside Relay.app where your policies allow.

Relay.app’s workflow-step and AI-credit allowances are the first production constraints to model. A busy workflow may consume steps across its actions and branches, while AI steps also draw from a monthly credit allowance. The vendor doesn't publish rate limits, uptime commitments, or security and compliance certifications; confirm these, plus data retention and incident support, before routing sensitive or time-critical processes through the service.

Human checkpoints can reduce the risk of sending an unreviewed message or routing a record incorrectly, but they also make approval latency part of the workflow. Test what happens when a reviewer does not respond, an app connector changes, or a run fails partway through. Reddit users praise Relay.app’s usability, while a thread reports an email about the service shutting down. That is an availability and continuity concern, not confirmation of the company’s current status. Verify service status and export options before making Relay.app a production dependency.