Free vector DB, 10K daily query/update limit
Eligibility: Anyone
For AI agents: an index of every page is at /llms.txt; add .md to any page URL (or send Accept: text/markdown) for a Markdown copy.

This is a free tier from Upstash: QStash Free: $0/month, 1,000 messages per day, 50 GB bandwidth, in the vendor’s words on upstash.com. No application is needed. Eligibility: Anyone. Perq last verified it Nov 9, 2026.
Livefree tierNo applicationAnyone (sign up)
“Free $0 - Perfect for prototypes and hobby projects. Messages per day 1,000”Verbatim from upstash.com/pricing/qstash, checked (HTTP 200).
Eligibility: Anyone
Eligibility: Anyone; a database can also be created without signing up
Eligibility: New Daytona accounts
Eligibility: Startups
Eligibility: New E2B accounts
Eligibility: Startups raised <$5M, <3 years old, first-time E2B users
Eligibility: Anyone
Eligibility: Anyone
Newly verified free AI credits and perks reach subscribers about 24 hours before they appear here, plus closures and changes. One short email on days with something new, nothing on quiet days. Double opt-in, one-click unsubscribe. Agents: use the webhook, feed or MCP.
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