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three.dev
Before your users tell you. three.dev scores your live traffic and lists what fails.
Last nightLivechecked 27 min ago
Answered in139 msfast
Uptime—watched 0 days
read from the site 22 min ago · full history ↓
Plans and what they include
Lowest price
Start free. Pay as your traffic grows.
$1.50
- Free$0a monthRoom for about50,000requests a monthAt 5k tokens eachStart freeEvery plan includes Issues with evidence…
- Issues with evidence
- Failure modes
- Your coding agent, over MCP
- Chat
- 1 GB of data a monthUpgrade to send more
- 5k requests scored a monthUpgrade to score more
- 30 days of history
- Unlimited seats
- Free for 6 monthsLaunch offerStarterMost popular$79a monthRoom for about250,000requests a monthAt 5k tokens eachGet…
Estimate your bill
Free
- req_b03a85K tokenspass
- req_389f74.5K tokensNot scored
- req_c10464K tokensNot scored
- req_496953.5K tokensNot scored
- Free plan$0
- DataIncluded0.1 GB of 1 GB included
- Requests scoredIncluded500 of 5,000 included
Compare plans
$79/mo
Questions
Free
Ship on evidence, not vibes.
Free
Read from their site on 13 Nov 2026 — the monthly figure where a plan is shown both ways. Verify on the site before buying.
About three.dev
three.dev scores live traffic for AI agents to help developers detect, prioritize, and fix failures before users encounter them. It routes calls through a proxy to identify specific failure modes like incorrect refund windows or invented discount codes. The platform provides data usage tracking and request scoring tailored for agent developers.
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Live
answered 1 of 1 night · avg 139 ms
A year of nights1 of 1 night answered · avg 139 ms
DecJanFebMarAprMayJunJulAugSepOctNov
MonWedFri
fastansweredslow (2.5 s+)downno check
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13 Nov 2026Listing refreshed from the product site price 79 USD/month, plans 5, 1 screenshot, founded 2022, description
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13 Nov 2026Added to the catalog from public information — unclaimed
Tracked
0 daysAverage response
139 msReliability, 30 days
—Running since
2022 copyright,waybackUser ratings
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