Key Takeaways
- •Submissions open for April, May, June issues.
- •Minimum essay length 900 words; no max.
- •$25 fee charged only after selection.
- •Each issue publishes eight pieces to 40k+ readers.
- •Fee funds editing, design; keeps content free.
Pulse Analysis
Substack’s rise has democratized publishing, allowing niche newsletters like The Open Letters to curate high‑quality literary content without relying on traditional gatekeepers. By inviting personal essays, think pieces, and creative nonfiction, the platform taps into a demand for authentic, human‑focused storytelling that resonates with readers fatigued by algorithm‑driven feeds. The open‑call format also lowers barriers for writers who lack agency representation, offering a direct pipeline to a sizable, engaged audience of over 40,000 regular readers.
The financial structure balances accessibility with sustainability. A $25 feature fee is only levied after acceptance, ensuring writers aren’t penalized for unsuccessful submissions. This modest charge funds professional editing, layout, and promotional efforts, preserving the newsletter’s free‑to‑read model. In an environment where many Substack publications pivot to paywalls, The Open Letters’ approach maintains broad reach while still generating revenue to cover operational costs, a hybrid model that could inspire similar outlets.
For contributors, the benefits extend beyond a single publication. Selected essays are cross‑posted to the author’s own Substack, amplified through a week‑long recommendation that can boost subscriber counts. The exposure to a combined subscriber base of more than 160,000 across The Open Letters and Postcards by Hasif provides a tangible growth channel for emerging voices. As the newsletter ecosystem matures, such symbiotic arrangements between writers and curators are likely to become a cornerstone of independent literary publishing.
Calling Writers to Submit Their Essays


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