Best APIs of June 2026

1. 1

   1. Publora

   634 upvotes

   A publishing API for agents to post on 10 social platforms

   Publora is a publishing API for 10 social platforms. One REST API call handles multi-network distribution — no SDKs, no OAuth wiring. The native MCP server with 18 tools gives AI agents like Claude and Cursor a full engagement loop: post…

   #1 on June 10, 2026publora.com1 maker, 1 with an email
2. 2

   2. Browse.sh

   507 upvotes

   Give your agents muscle memory for automating the web

   browse.sh — an open catalog of browser automation skills for any website. Find reusable SKILL.md recipes that teach AI agents to complete tasks online, and install them with the browse CLI.

   #2 on June 8, 2026browse.sh1 maker
3. 3

   3. Swytchcode CLI

   439 upvotes

   Give agents reliable access to 2,000+ APIs w/ durable state

   Write agent logic, and skip the plumbing. Give AI agents reliable access to 2,000+ APIs with retries, idempotency, policy enforcement, and durable state.

   #2 on June 17, 20261 maker
4. 4

   4. Oxlo.ai

   368 upvotes

   Scale across AI models without scaling your bill

   Most AI teams pick a model first and discover the bill later. We built Oxlo.ai to change that. Access 35+ frontier AI models including DeepSeek V4 Pro, Kimi K2.6, GLM 5, Qwen, Llama, and Mistral through a single API. Compare models…

   #2 on June 25, 20261 maker
5. 5

   5. Tabstack Dev Tools

   324 upvotes

   Ditch your scraper. Make one API call with any tool.

   Ditch your scraper. One API gives your code everything it needs from the web: structured JSON, clean markdown, cited research, and browser automation. No browser, LLM, or pipeline for you to run. Use it from the tools you already work in…

   #4 on June 18, 20261 maker
6. 6

   6. Firma.dev

   310 upvotes

   E-signatures API for your app averaging ~3¢ per envelope

   At €0.029 per envelope (about 3¢), Firma.dev runs about 99% cheaper than DocuSign, where one envelope can cost $4-5. Pay-as-you-go, no minimums, no contracts. Built developer-first for startups and SaaS teams who'd rather integrate…

   #1 on June 12, 20262 makers
7. 7

   7. ZeroGPU

   307 upvotes

   The compute efficient layer for AI inference

   The world can't build compute fast enough to keep up with AI demand. So we took a different path. ZeroGPU is AI infrastructure powered by small language models running on a hybrid edge network reusing compute that already exists. Not…

   #2 on June 9, 2026zerogpu.ai1 maker
8. 8

   8. Krisp Voice Translation API

   274 upvotes

   Real-time speech-to-speech translation API

   Most voice translation APIs work great in demos. Then real users show up with background noise, accents and verification code that gets garbled. We built our technology on a million live contact center calls where accuracy is non…

   #4 on June 9, 20261 maker
9. 9

   9. Job Postings API

   257 upvotes

   View, monitor, and analyze 1.8M+ US jobs

   A free, hosted job listings API with 1.8M+ listings across 60k companies. Get comprehensive active and historical job data from 30+ applicant tracking systems, with companies spanning industries and stages.

   #4 on June 7, 20261 maker
10. 10

    10. Foresight by Lightning Rod

    231 upvotes

    Predict anything with AI

    Foresight by Lightning Rod is an OpenAI-compatible forecasting API for developers building agents, prediction-market bots, and decision tools. Ask a question about a future event and get a scored, calibrated forecast back. Unlike…

    #3 on June 30, 2026lightningrod.ai1 maker
11. 11

    11. Tabstack Structured Extraction

    200 upvotes

    Extract web data into structured JSON, no scraper required.

    Define a schema, pass a URL, get back JSON that matches. Tabstack's extract endpoint turns any web page into structured output, no parsing code and no LLM call to maintain. generate endpoint adds AI instructions for reasoned answers, not…

    #8 on June 11, 20261 maker
12. 12

    12. API to MCP

    197 upvotes

    Turn any API into an MCP server for AI agents

    API To MCP turns REST, GraphQL, SaaS, and internal business APIs into hosted MCP servers that AI agents can use in minutes. Build visually from the dashboard, or let an AI agent create, test, and deploy tools from API docs. End users can…

    #5 on June 19, 2026apitomcp.ai1 maker
13. 13

    13. Tabstack Web Research

    168 upvotes

    Run a research agent with cited answers in a single API call

    /research gives your app or agent cited answers from the live web in one API call. Not a pre-indexed corpus: the actual live web. Every request comes back with source URL's users can verify. Source selection, synthesis, and citation…

    #8 on June 1, 20261 maker
14. 14

    14. Sakana Fugu

    153 upvotes

    One Model to Command Them All

    Frontier-level performance without single-vendor dependency. Fugu dynamically orchestrates the world's best models to tackle complex, multi-step tasks. Plug collective intelligence directly into your workflows today with a single API.

    #9 on June 23, 2026
15. 15

    15. Papermark Agents

    140 upvotes

    Let AI agents run your next deal, fundraise or data room

    Papermark for Agents lets AI run your secure data rooms for you. Just ask: build a data room, upload and organize files, create watermarked links, or see which investors actually read your deck. 40+ MCP tools, plus a REST API and CLI.…

    #10 on June 25, 20261 maker
16. 16

    16. Brand Context API

    132 upvotes

    Ship AI that stays on-brand

    Brand Context API keeps your AI on-brand by returning a company's brand identity in one call: voice, mission, products, audience. With this structured data, your product ships output that's grounded from the first prompt.

    #12 on June 3, 20261 maker
17. 17

    17. OpenRevenue

    124 upvotes

    Privacy-friendly web analytics platform built for makers

    OpenRevenue is a privacy-friendly web analytics platform built for founders, startups, and indie makers who want clear insights without the complexity of traditional analytics tools. Track visitors, pageviews, traffic sources, devices…

    #10 on June 15, 2026openrevenue.com
18. 18

    18. Agentic Document Extraction

    111 upvotes

    Make the world's documents computable

    LandingAI is on a mission to make the world's documents computable. Agentic Document Extraction helps enterprise developers build document automation pipelines at scale. Composable agentic APIs provide accurate and auditable document…

    #14 on June 22, 20261 maker
19. 19

    19. Forward

    103 upvotes

    Installs your API into a customer's codebase in one command

    Forward is an AI forward-deployed engineer that integrates your API directly into your customers' codebases. Instead of 50-page docs, users run one command. Forward analyzes their repo, writes the integration on a new branch, runs tests…

    #14 on June 3, 2026YC F261 maker
20. 20

    20. VEXI

    94 upvotes

    Open-source AI coding agent for your terminal

    VEXI is an open-source AI coding agent built for developers who prefer the terminal. Bring your own API keys, connect OpenAI, Anthropic, and other providers, and accelerate coding, debugging, refactoring, and automation through a…

    #19 on June 15, 20261 maker
21. 21

    21. NetworkSpy

    90 upvotes

    HTTP(s) proxy debugger with custom viewer

    Inspect, debug, and understand modern API traffic with NetworkSpy — a network debugger built for GraphQL, streaming, and AI apps. When joining new projects, learning other teams’ systems, or tracking tricky issues, a custom viewer makes…

    #19 on June 1, 2026networkspy.app1 maker, 1 with an email
22. 22

    22. EndpointMe

    87 upvotes

    Your identity as a live, queryable API endpoint

    EndpointMe is a platform that gives every person a unique API endpoint at endpointme.world/[username] - a living, programmable profile that returns real data about you. Instead of a static resume or a social media page, your identity…

    #25 on June 11, 20261 maker
23. 23

    23. FableWatch

    85 upvotes

    Know the second Fable 5 is back

    An automated return monitor for claude-fable-5. We ping the API every 60 seconds. The instant it answers again, we light up your email, text you, and call you!

    #27 on June 16, 2026fablewatch.com1 maker, 1 with an email
24. 24

    24. Wirable

    57 upvotes

    Can AI agents use your product?

    Wirable tests whether AI agents can actually use your product. Paste a URL, run real agent workflows, and get a score out of 100 with clear evidence behind every pass or fail. If agents get stuck, Wirable hosts an MCP proxy in front of…

    #6 on June 28, 20261 maker
25. 25

    25. SerpApi for AI Apps and Agents

    54 upvotes

    100+ search APIs for LLMs, AI apps, agents, and developers

    SerpApi gives developers real-time, structured data from 100+ search engine APIs, including Google, Bing, DuckDuckGo, Amazon, YouTube, and more. Build AI apps, agents, and LLM workflows with fresh search data using our API, MCP server…

    #37 on June 18, 20261 maker

Junior imports every day's Product Hunt leaderboard. Each launch is filed under the first topic its makers chose, so it appears in one category only. This list takes the API launches dated in June 2026 and ranks them by their upvotes. It refreshes daily.

• Best Productivity Tools252
• Best Design Tools77
• Best Open Source Tools74
• Best Developer Tools63
• Best Mac Apps52
• Best Android Apps48
• Best Marketing Tools40
• Best AI Tools30
• Best SaaS Tools36
• Best iOS Apps47
• Best Chrome Extensions38
• Best Analytics Tools17
• Best Health & Fitness Apps30
• Best Social Media Tools21
• Best Sales Tools17
• Best Fintech Tools26

• All APIs340
• Every launch in June 2026
• All best-of lists

What was the top API launch of June 2026?

Publora ("A publishing API for agents to post on 10 social platforms"), with 634 upvotes on June 10, 2026, where it finished #1 of the day.

How many APIs launched in June 2026?

43 on Product Hunt, with 5,765 upvotes between them. This list shows the 25 most upvoted.

How is this list ranked?

By Product Hunt upvotes, as recorded on launch day. Ties go to the launch with the better daily rank. Every launch is counted once, in the category its makers listed first.

How do I reach the makers of these APIs?

Each launch links to its page on Junior, with the people behind it (24 makers across this list). Junior adds their verified work emails, LinkedIn and X profiles for subscribers.