Relay.app logo

Relay.app

Emerging

Human-in-the-loop workflow automation; $35M Series A from a16z and Khosla (Mar 2025); connects 100+ apps with embedded human approval steps for AI-human collaboration. Founded 2021, SF.

Best for: AI Workflow AutomationEmerging, rapid growth
42
AI Score
Grade C↑ Trending
AI Visibility Score (Beta)
Productivity & CollaborationAI Workflow AutomationWebsiteUpdated April 2026

Brand Intelligence Graph

Capabilities
AI Workflow Automation

Company Overview

About Relay.app

Relay.app is a human-in-the-loop workflow automation platform founded in 2021 in San Francisco. The company was built around the insight that fully automated workflows break down at the edges — when decisions require human judgment, context that only a person has, or approval before an irreversible action. Relay.app's core design principle is that AI agents and humans should collaborate in workflows rather than the AI operating autonomously.

Business Model & Competitive Advantage

The platform connects to 100+ applications including Salesforce, HubSpot, Slack, Gmail, Notion, and Airtable, enabling teams to build complex cross-app automations with embedded human checkpoints — approval steps, form fills, and manual decisions that slot naturally into otherwise automated flows. Relay.app's AI agents can draft content, classify data, extract information from documents, and make routing decisions, with humans stepping in only where judgment is needed. Target users are operations, revenue, and customer success teams at mid-market B2B companies.

Competitive Landscape 2025–2026

Relay.app raised a $35 million Series A in March 2025 co-led by Andreessen Horowitz and Khosla Ventures, validating its human-in-the-loop positioning in a market increasingly crowded with fully autonomous automation tools. The funding has accelerated the expansion of its AI agent capabilities and integration library. Relay.app competes with Zapier, Make, and newer AI automation platforms but differentiates through its thoughtful balance between automation efficiency and human oversight.

Founded
2021
Curated content • Fact-checked and verified

Recent Activity

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blog_post
How to draft email responses with OpenAI | Relay.app

Learn how to automatically draft email responses in Gmail using OpenAI's GPT models.

blog_post
How to draft email responses with ChatGPT | Relay.app

Learn how to automatically draft email responses in Gmail using OpenAI's GPT models.

blog_post
Zapier pricing: How much does Zapier actually cost?

Zapier's usage-based pricing structure makes it difficult to know what the monthly cost actually is. In this post, we break down the cost of each Zapier pricing tier.

blog_post
Make.com pricing: How much does Make actually cost?

Thinking of diving into Make but unsure about the costs? We've got the lowdown on Make pricing – no surprises, just the essentials to keep your automation on budget.

blog_post
How to buy OpenAI API credits

Learn how to buy credits to use OpenAI models in your applications, agents, and automations.

8-K
8-K — 8-K

Material Event filed 2026-06-05

blog_post
How to automate customer support in 2026 | Relay.app

Ready to build a reliable automated customer support process? Here's how to automate ticket triage, replies, and escalations with AI and human-in-the-loop approvals.

blog_post
How to automate customer health monitoring in 2026 | Relay.app

It's time to automate your customer health monitoring. Score every renewal account on usage and support signals and report out a ranked list of at-risk customers.

blog_post
How to automate invoice management in 2026 | Relay.app

A practical guide to automating invoice capture, AI data extraction, approvals, and accounting entry with Relay.app. Replace manual data entry with AI workflows that keep a human in the loop.

blog_post
The 7 best AI tools for small businesses in 2026 | Relay.app

A ranked guide to the 7 best AI tools for small businesses in 2026. Pick what fits your team based on pricing, ease of use, and AI features.

blog_post
Skills vs workflows: What's the difference? | Relay.app

Should you use an AI skill or an AI workflow? This simple guide will help you understand the difference (and choose the right approach for whatever you're automating today).

10-Q
10-Q — 10-Q

Quarterly Report filed 2026-05-06

Key Differentiators

Emerging Innovator

Relay.app is an emerging player bringing innovative solutions to the Productivity & Collaboration market.

Frequently Asked Questions

Estimated Visibility Trend (Beta)

Simulated 8-week rolling score

42
↑ Trending

Based on estimated brand signals. Historical tracking coming soon.

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