Sponsor profile / 21st-dev-fe362f6a
21st.dev
21st.dev is a Developer Tools brand mapped to AI, Developer Tools, Newsletter newsletter audiences. The profile is tuned for sponsor discovery: channel fit (Newsletter), audience planning band (100,000), and estimated newsletter budget ($22,000).
Autopilot Sponsorship Outreach
AI AgentDraft a high-converting sponsorship proposal to 21st.dev based on their observed buying history and category.
Target Contact Hints
SponsorGap authenticated rowpartnershipsgrowth marketing
Total sponsorships1
Channels1
Marketing budget$1,760,000
Event sponsor budget$22,000
Sponsorship Budget Trend
2024
$13,200→ —2025
$18,700↗ +42%2026
$22,000↗ +18%Ad Activity This Year
0
Jan
0
Feb
0
Mar
0
Apr
0
May
1
Jun
0
Jul
0
Aug
0
Sep
0
Oct
0
Nov
0
Dec
Previous Sponsorship History
- Simplifying AI / Affiliate Partnership / Newsletter / 2026-06-09T14:29:19.000Z / $22,000 / observed