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TernaryWire

A lightweight native API client, a Postman alternative

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A native API client written entirely in Rust: no Electron, no account, first frame in about 40 ms. HTTP, GraphQL, gRPC, WebSocket, Socket.IO, MQTT, SOAP, MCP and AI requests in one app. Postman collections, environments and pm.* scripts import and run unchanged. Git-friendly workspaces with secrets in the keychain, a collection runner and a newman-compatible CLI for CI, visual Flows, Spec Hub for OpenAPI, plus a local mock server. Free and open source.

PH · launched Nov 14, 2026 · 1 upvote (top 65%) · 0 views

Niche: api testing and mocking tools · 85 launches, 8 in the last 7 days ▼ -20% · Explore this niche →

Category and tags
  • Horizontal
  • Dev tools
  • Developer
  • Not AI
  • Commercial product
  • API
  • Open Source
  • Developer Tools
  • GitHub

Visit website ↗ Source listing ↗

More like this: all 85 launches in api testing and mocking tools →

Could you build this?

Partial A basic multi-protocol API client is doable, but matching Postman's pm.* script compatibility and a native Rust GUI with protocol breadth (gRPC, MQTT, SOAP, Socket.IO) is substantial engineering.

What it would actually take: A real version needs a native Rust GUI toolkit (e.g. egui, Iced, or Slint) with a protocol layer built on existing crates for HTTP, gRPC, MQTT, WebSocket, and SOAP. The hard part is faithfully running Postman's pm.* JavaScript API in an embedded engine like QuickJS or Boa, plus Git-friendly workspace and secret handling. That calls for experienced Rust and protocol engineering to hit the performance and compatibility claims.

Competitors

Other products that read as similar to this one : 360 launches clear the similarity bar, closest 8 shown.

Attention rank: #200 of 361 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 378 days after the earliest competitor.

  • TernaryGrid · ph · 2026-11-14 · 1 upvotes · similarity 0.55
  • Gottp · hn · 2026-02-11 · 5 upvotes · similarity 0.49
  • tern-sdk · github · 2026-10-05 · 35 upvotes · similarity 0.49
  • BranchShell · ph · 2026-10-31 · 1 upvotes · similarity 0.47
  • EvertySSH · github · 2026-10-22 · 17 upvotes · similarity 0.46
  • Gostman · ph · 2026-10-26 · 3 upvotes · similarity 0.45
  • HTTP/3 and raw QUIC client/server APIs for Node.js · hn · 2026-06-08 · 16 upvotes · similarity 0.45
  • silentbox · github · 2026-11-06 · 21 upvotes · similarity 0.45

Related data

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