Calendly
Meeting booking, calendar sync, reminders, integrations
The undisputed winner for straightforward 1:1 scheduling. Falls apart for complex exec scheduling or anyone receiving too many cold outreach links. Free plan is genuinely useful for solo use; paid plan needed the moment you need multiple event types.
Complex resource scheduling
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FIRST-HAND READS
What people reported, in their own words. Every line links to where it was said.
“Workflow could not be published. Error in node: Forbidden - perhaps check your credentials? Please upgrade your Calendly account to Standard.”
NEGATIVE · reliability · n8n_community · 2026-05-27
“Calendly Trigger node returns 'resource not found' when using Personal Access Token credential on version 2.13.3. Also returns 'required_scopes' error with OAuth2.”
NEGATIVE · reliability · n8n_community · 2026-04-17
“the webhook URL generated by n8n is "open"—it accepts any JSON payload (e.g., from Postman) without requiring authentication or verifying that the data actually came from Calendly. In my testing, I was able to trigger the workflow with a manual payload despite having OAuth credentials configured. This creates a security vulnerability where unauthorized users could trigger workflows or inject false data if they discover the URL.”
NEGATIVE · reliability · n8n_community · 2026-04-10
“Why would we replace Calendly already at just $12 per month?”
POSITIVE · price · Hacker News · 2026-02-15
“Calendly Trigger: This is working perfectly. It fires on invitee.created and gives me the invitee's name and email.”
POSITIVE · reliability · n8n_community · 2025-09-22
“use embedded Calendly on my homepage for potential customer to book my tech support service”
MIXED · features · Hacker News · 2025-05-20
“I can definitely NOT recommend Calendly. With a lot of work on my part to understand their difficult setup”
NEGATIVE · support · Reddit · 2025-05-17
“what helped me manage it mentally is using Calendly to book calls”
POSITIVE · ease of use · Reddit · 2025-05-17
“passei por alguns problemas testando Google calendar, cal.com, calendly e outros”
NEGATIVE · features · Reddit · 2025-05-15
“Before i found it i was on activecampaign , clickfunnels, zapier, and calendly and we needed those to run our clients fb campaigns. Now I can consolidate all of those software subscriptions for them”
NEGATIVE · Reddit · 2025-05-15
“Calendly is a game-changer for automating the tedious nature of scheduling calls - plus it has decent workflows for pre- and post-call emails”
POSITIVE · features · Reddit · 2025-05-14
“Calendly is the easiest thing in the world and cuts out the back and forth BS”
POSITIVE · ease of use · Reddit · 2025-05-14
“my Calendly got Reddit's hug of death in the best possible way”
POSITIVE · Reddit · 2025-05-12
“I got some customer support from calendly that seemed to be AI based and it was pretty bad. It acknowledged the problem (the devs might disagree that it's a bug on their end) and said it will be fixed (likely a lie) and I haven't heard anything for weeks.”
NEGATIVE · support · Reddit · 2025-05-12
“people book with Calendly / cal.com / Tidycal etc without committing to the call”
NEGATIVE · Reddit · 2025-03-24
“Calendly's API too restrictive — it doesn't let me create bookings directly, which is a deal-breaker for my AI agent”
NEGATIVE · integration · Reddit · 2025-01-18
“Calendly I use the least, but the clients who want a dedicated booking link for their employees love it”
LUKEWARM · features · Reddit · 2024-12-12
“It would be great if the Calendly node supported OAuth and just API key authentication.”
NEGATIVE · integration · n8n_community · 2024-07-23
“Calendly's events don't have a value that identifies them, such as an ID”
NEGATIVE · features · n8n_community · 2024-05-01
“the calendly trigger does not fire when meetings are created on calendly”
NEGATIVE · reliability · n8n_community · 2024-03-19
“the Calendly trigger seemed to stop working about on the 15th October”
NEGATIVE · reliability · n8n_community · 2023-10-19
“all my flows stopped working! On the Calendly website itself, it is being informed that API v1 will stop working until 06/30/2023 and will be replaced by API v2”
NEGATIVE · reliability · n8n_community · 2023-01-31
“I'm having a lot of trouble requesting a request to cancel a Calendly event via API”
NEGATIVE · reliability · n8n_community · 2023-01-23
“The http://calendly.com calendly.com trigger is not working. Authentication error is being sent back by http://calendly.com calendly.com.”
NEGATIVE · reliability · n8n_community · 2020-11-19
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