Lettertrace
Track your AI visibility for free using your own API keys!
- ProductHunt386 upvotes checked 17 Aug 2026
This entry was compiled from public sources and has not yet been read and signed off by an editor. Treat every figure below as unconfirmed and check the vendor's own pages before acting on it. See our editorial policy.
- Entry price
- Free
- Free plan
- Yes
- Free trial
- No
What it is
Lettertrace is a free, developer-first tool designed to help users monitor their AI visibility across prominent large language models such as ChatGPT, Claude, and Gemini. It allows for tracking how often a brand or company is mentioned by these AI agents by integrating with the user's existing API keys, thereby ensuring data control and privacy. The platform provides real-time insights and detailed analytics reports through a user-friendly dashboard.
Recorded for
Audience tags from our own categorisation, not the vendor's positioning.
Pricing
Our record for Lettertrace lists a free plan.
This figure has no source or check date on record. What that means. Confirm on the vendor's pricing page.
Recorded features
A summary of what the product advertises — not a complete feature inventory, and not something we tested.
- Real-time visibility tracking
- Custom API key integration
- User-friendly dashboard
- Detailed analytics reports
- Self-Sovereign Tracking
Commonly reported strengths and drawbacks
Compiled from public write-ups and vendor documentation. These are impressions we have recorded, not findings from our own testing.
Reported strengths
- Completely free to use
- Leverages user's own API keys for data control and privacy
- Provides real-time AI visibility metrics
Reported drawbacks
- Primarily designed for technical users
- Limited information on advanced features or integrations
- No dedicated support channels explicitly mentioned
Sources consulted
- https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFacGRenJg85StJuusTY_9OynDlS4yZUexEBtF5_oOmzXsRyk3FqB4NxqYIhEnD0mbBjOKQXtb14gIAgcnqHS6yxEfFYKA7PHKVzHtpCfV6tbDXeKmXREsANb5BjzAl5g==
- https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQE4xYsMle5pUp1r_s8gx_gMoV0uv-jT51Jp2weB8sY2EMxLML1MRdDBVfcbRi8t5hEmS3KUsQdzu2mRWL6hN_b0Tc_-8iwZE7dvLQzCavn9B-TLL0ixrxgezuMzQdIG0JuD0Ks28gGg
- https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQEUpaVVFSuU1NHd_ONDFOZwZoqM5RbKuJAR89Uvp_tVSa2uWRqcNbSanIbHnzAuEaso06yP4GF8WVDUMCQutvnYHuLEqBEcPEbrSL2hZzvKmJO0h7471hKHmfo-s1ZSp3NEwN2B5A==
- https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQGfAkExmglDBUBXXtR6FQV_pZyu0ei8G-ceBNR8KjM8Z-x7-GIACFSj_lVUOKl7bml2VP-i9G8a7az851V9lQ-HPQ9FwZeTSS6xEUyTOQ1-WaDsBdrpo1WSy49NudKEF3K1gYcK6GVsyd7hOIMumGQV_Qhz3DH3U8z1x9Tyknk3DX29RdDNvBIvf0w3fKiZ
- https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQHynx99Rzxgk_MyGGEgnH0PiKK0TmvNAiOEmfUoOVBf4BKE9VdCIU6O7wIpADVSlhjQJm9xylu8RsitElIUJ1u3e_FOzWLP_QuK1sh91WOlK6-zg9dqn6WW8CpNM1sXW8xbH58_lsqbQSFNRLa4qASP_hl247C-Uo7Ad-VPY4xPj-yEZYMdWA==
- https://www.producthunt.com/posts/lettertrace-2
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