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Read our Privacy PolicyThree steps, two minutes. By the end you'll have your first AI-personalized column written into a real sheet.
Open any spreadsheet, or start a new one with the data you want to enrich. The ReplyLabs sidebar lives inside Google™ Sheets, not in a separate app.
Inside your sheet, click the menu path below. The sidebar opens on the right. The first time, it asks you to sign in. Use Google™ or email, whichever you prefer.
Extensions → ReplyLabs → Open sidebar2,000 free credits land on your account at signup. Enough for around 100 verified emails or 50 AI-personalized rows.
In the sidebar, write a prompt that references one of your columns (for example, {{company}} to pull each row's company name). Pick the column to write the result into. Click Run. Results stream in row by row.
Write a 1-line opener for a cold email to {{first_name}} at {{company}}.
Mention something specific about their industry.Start with 5 rows in test mode to dial in your prompt before running on hundreds.
Beyond your first prompt, the sidebar covers the full enrichment loop. Same sheet, no new tools.
Run any LLM (OpenAI, Anthropic, Google™ Gemini, Mistral) across thousands of rows. Reference cell values with {{column_name}} syntax. Personalized cold emails, summaries, classifications, anything text-based.
Write a personalized 1-line opener for {{first_name}}
at {{company}}. Reference their {{industry}} sector.Drop URLs into a column, ReplyLabs fetches each page and extracts text. Use the result as input to the next AI prompt. Basic mode is free, runs through Google™ Apps Script.
Run every email in your sheet through No2Bounce and get back deliverable, risky, or undeliverable. About $0.0028 per email on Pro, free on Scale with your own key.
What we learned across thousands of prompts. Skim these before your first run.
"Write a cold email opener" beats "write a cold email." Specific prompts get specific outputs.
Use {{column_name}} to pull values from your sheet. ReplyLabs reads your header row automatically.
Test mode runs your prompt on the first 5 rows. Iterate on those before running 500.
Cheaper models (GPT-4o mini, Claude Haiku) are great for short, structured outputs. Reach for GPT-4o or Claude Sonnet when nuance matters.
Tell the model who it is and how to behave. "You are a B2B sales rep writing in a casual tone" before the actual prompt body.
Cost per row shows in the sidebar before you run. Top up your balance when it gets close to zero.
We respond within 24 hours. Email us, or browse the help center for answers to common questions.