LetterBid - Newsletter Sponsorship Platform
LetterBid is a newsletter sponsorship platform that connects brands with newsletter publishers. Brands can discover newsletters, book sponsorship packages, or send custom campaign offers, while publishers can create storefronts, showcase their audiences, negotiate deals, and manage bookings and payments in one place. LetterBid makes buying and selling newsletter sponsorships simple, transparent, and seamless.
LetterBid - Newsletter Sponsorship Platform
LetterBid is a newsletter sponsorship platform that connects brands with newsletter publishers. Brands can discover newsletters, book sponsorship packages, or send custom campaign offers, while publishers can create storefronts, showcase their audiences, negotiate deals, and manage bookings and payments in one place. LetterBid makes buying and selling newsletter sponsorships simple, transparent, and seamless.
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Stripe API key.Last updated: Nov 15, 2026, 06:50 PM
LetterBid makes newsletter sponsorships easier for brands and publishers. Discover newsletters, book sponsorship packages, send custom offers, or launch one campaign across multiple newsletters. Publishers can create storefronts, set their rates, and manage sponsorships in one place.
Newsletter sponsorships are often managed through endless emails, spreadsheets, manual negotiations, and separate payment processes. LetterBid simplifies the process with newsletter discovery, transparent pricing, direct offers, multi-newsletter campaigns, and secure payments in one platform.
Audience
Brands and newsletter publishers looking to connect through sponsorships.
Pricing
Free to join for both brands and publishers, with no subscriptions, setup fees, or upfront costs.
Team size
2–5 people
Funding
Bootstrapped
Domain Rating
letterbid.com
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Marketing channels
Market
Product updates
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