Voiden
Shares rank 3 of 5 API clients by recommenders
Offline, Git-friendly API client keeping specs, tests and docs in Markdown files; free Postman alternative. Critics find the site marketing-heavy and the format hard to read.
Offline, Git-friendly API client keeping specs, tests and docs in Markdown files; free Postman alternative. Critics find the site marketing-heavy and the format hard to read.
14 people gave an opinion
- recommend it
- 9
- criticize it
- 5
- approval share
- 64%
Recommended in 6 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 9 people recommend itNeeds 10 or more, not met.
- 1.8 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 6 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Offline, Git-friendly, Markdown-based design
“You can add clarity and explain what it's doing and how it translates into code.”
Comment from 1 Feb 2026 in “Show HN: Voiden – an offline, Git-native API tool built around Markdown” “Same philosophy, different layer: plain text, git-native, composable.”
Comment from 22 Feb 2026 in “Show HN: Cc-md – Zero-cost Obsidian sync across iPhone, Mac, and GitHub” “We are offline and markdown based and open sourced some days back.”
Comment from 9 Feb 2026 in “SHOW HN: Postman removes free team collaboration (small teams capped at 1 user)” - Comment from 3 Feb 2026 in “Ask HN: Tell me about your internal tools”
- Comment from 22 Feb 2026 in “Show HN: Cc-md – Zero-cost Obsidian sync across iPhone, Mac, and GitHub”
- Comment from 13 Apr 2026 in “Ask HN: What Are You Working On? (April 2026)”
- Comment from 24 Apr 2026 in “Show HN: Tolaria – open-source macOS app to manage Markdown knowledge bases”
- Comment from 12 Feb 2026 in “Postman: From API Client to "Everything App"”
- Comment from 11 Feb 2026 in “The API Tooling Crisis: Why developers are abandoning Postman and its clones?”
Composable, reusable blocks
“all Markdown files and uses composable blocks, this makes it easy for quick, version-controlled tests”
Comment from 9 Apr 2026 in “Ask HN: What you use for quick API checks?” “Voiden is for api design,reusability, documentation, and has markdown simplicity”
Comment from 26 Apr 2026 in “Show HN: A Karpathy-style LLM wiki your agents maintain (Markdown and Git)” “Same philosophy, different layer: plain text, git-native, composable.”
Comment from 22 Feb 2026 in “Show HN: Cc-md – Zero-cost Obsidian sync across iPhone, Mac, and GitHub” - Comment from 3 Apr 2026 in “Ask HN: What dev tools do you rely on that nobody talks about?”
Open source, community-driven project
“treat it as long-term community infrastructure — closer in spirit to tools like VS Code or Backstage”
Comment from 22 Feb 2026 in “The API Tooling Crisis” “It just got a major beta release, and is aiming to open source in the following couple of weeks”
Comment from 3 Nov 2025 on Hacker News “I just REALLY like what Voiden is doing here, and I'm thrilled to see it open-sourced now.”
Comment from 1 Feb 2026 in “Show HN: Voiden – an offline, Git-native API tool built around Markdown” No cloud lock-in or subscriptions
“This tool is for those who DON'T want to be locked into yet another cloud service”
Comment from 1 Feb 2026 in “Show HN: Voiden – an offline, Git-native API tool built around Markdown” “The team made them within 24 hours! I no longer need my Postman subscription.”
Comment from 15 Apr 2026 in “Show HN: Voiden – API Workflows as Markdown Files (Obsidian × Curl)”
What people warn about
Each mark is one comment
Website reads like marketing or LLM output
“the website that feels like it's trying to sell me something with testimonials but no pricing page”
Comment from 1 Feb 2026 in “Show HN: Voiden – an offline, Git-native API tool built around Markdown” “the website has all the telltale signs of LLM slop”
Comment from 27 Apr 2026 in “Self-Updating Screenshots” “The entire site seems like a marketing template.”
Comment from 21 May 2026 in “A Markdown-based test suite” Custom text format hard to read
“voiden stores requests as text in a custom format not really readable”
Comment from 15 Apr 2026 in “Show HN: IDE like, local API client” “the notebook format felt a bit too freeform for an API tool”
Comment from 1 Feb 2026 in “Show HN: Voiden – an offline, Git-native API tool built around Markdown”
Other API clients people recommend
The four most recommended other API clients, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Postman | 17 | 35 | 33% | 9 | — | — |
| Bruno API client | 11 | 3 | 79% | 8 | — | Approved |
| VoidenThis page | 9 | 5 | 64% | 6 | — | — |
| Slumber | 9 | 3 | 75% | 2 | — | — |
| Kvile | 5 | 0 | 100% | 2 | — | — |
What people said
38 of the 41 comments that mention it, newest first. Each links to the original comment.
“The entire site seems like a marketing template.”
“some what similar to what you did here”
“we have now optimized it a lot and we even show the actual usage inside the app for folks to monitor”
“the website has all the telltale signs of LLM slop”
“Voiden is for api design,reusability, documentation, and has markdown simplicity”
“offline-first, file based and support for git”
“Even I built an API tool on markdown”
“Voiden looks awesome I'll have to check it out”
“Reason we built voiden is that we wanted something that challenges these ideas.”
“voiden stores requests as text in a custom format not really readable”
“The team made them within 24 hours! I no longer need my Postman subscription.”
“I am working a offline markdown based api client.”
“all Markdown files and uses composable blocks, this makes it easy for quick, version-controlled tests”
“think jupyter notebook but for APIs”
“api client with reusable blocks to your list”
“I think this will be a interesting use case for us.”
“Something I am building on markdown”
“Api client based on executable markdown”
“something made based on markdown”
“Same philosophy, different layer: plain text, git-native, composable.”
“treat it as long-term community infrastructure — closer in spirit to tools like VS Code or Backstage”
“We are an offline API Client built around Markdown”
“We are a markdown based offline api client.”
“Voiden is offline and markdown based.”
“We are offline and markdown based and open sourced some days back.”
“an offline, Git-native API tool built around Markdown”
“We support GRPC,WSS and GraphQL via plugins too!”
“I use the tool and think others might find it useful”
“It seems like the creators had something else in mind when creating this tool and it wasn't an altruistic open source tool.”
“I've been filing bug reports and keeping up with the project for the past few months”
“This tool is for those who DON'T want to be locked into yet another cloud service”
“the website that feels like it's trying to sell me something with testimonials but no pricing page”
“The logo neither says "voids" nor "API tool". It is a blocky infinity symbol that to me means nothing in-context.”
“You can add clarity and explain what it's doing and how it translates into code.”
“I just REALLY like what Voiden is doing here, and I'm thrilled to see it open-sourced now.”
“the notebook format felt a bit too freeform for an API tool”
“Voiden has API specs, tests, and docs in one Markdown file”
“It just got a major beta release, and is aiming to open source in the following couple of weeks”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.