What is a reverse marketplace ?

Buyers post wants; sellers bid competitively. WTB.land example: post your spec, watch offers roll in.

How to build gRPC-Web with .NET 10?

Use ASP.NET Core gRPC services, custom XHR transport for JS client, protobuf.js for runtime parsing. Skip codegen.

Can vanilla JS handle full SPAs?

Yes—routing, hydration, real-time. WTB.land's 1800 lines prove it; frameworks just add bundle weight.

I Built a Reverse Marketplace That Lets Buyers Call the Shots—with .NET 10 and Zero Bloat

Buyers post wants. Sellers scramble to bid. That's the electric reversal powering WTB.land, coded lean with .NET 10 and gRPC-Web—no frameworks, no fuss.

theAIcatchup Apr 10, 2026 3 min read 11 views

WTB.land dashboard showing buyer requests and competing seller offers

⚡ Key Takeaways

Reverse marketplaces flip buyer-seller dynamics, sparking competition for better deals. 𝕏
Vanilla JS + gRPC-Web + .NET 10 builds lean, SEO-perfect SPAs without framework bloat. 𝕏
.NET's single-binary deploys on cheap VPS crush traditional stacks for indie devs. 𝕏

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theAIcatchup

Community-driven. Code-first.

#.NET 10 #gRPC-Web #reverse marketplace #vanilla js

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