Categories

APIs & Integrations

1. API to MCP

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 connect live MCP servers to ChatGPT, Claude, Codex, Cursor, VS Code, Antigravity, or custom agents with OAuth, secure auth, workflows, and forkable snapshots.

APIs & Integrations Developer Tools SaaS

2. Zernio WhatsApp API

You knew Zernio as the API for social media. Now it does WhatsApp too, the whole thing. Connect a number and you've got the entire WhatsApp Business API behind it: messaging and broadcasts, in-chat forms, calls you can route to AI agents, chatbots, group chats, and numbers in 53 countries. Whatever you need to build on WhatsApp, it's one integration. Made for developers and the agents they build: REST, SDKs, CLI, and a hosted MCP server. Official WhatsApp Business API. Zero markup on usage.

APIs & Integrations Developer Tools

3. Tabstack Dev Tools

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: an MCP server, CLI, Raycast extension, or as an Agent Skill. Grab a key and make your first call in less than three minutes. Mozilla-backed. Your data is never sold, never trained on.

APIs & Integrations Developer Tools

4. Serro AI

Serro maintains your team's shared program memory and keeps it live foreveryone - humans and agents.

APIs & Integrations

5. Swytchcode CLI

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

Artificial Intelligence APIs & Integrations Developer Tools

124

6. Soniox

Soniox is a multilingual voice AI platform that unifies speech-to-text, text-to-speech, and real-time translation in a single API across 60+ languages and 3,600 language pairs. It's built for the hardest parts of voice AI — seamless mid-sentence language switching, alphanumerics, foreign names, multi-speaker conversations, and high-noise environments — with native-speaker accuracy rather than English-first performance.Low-latency streaming transcribes with sub-200ms latency and starts generating speech from the first few words. The same models and API deploy globally with in-region processing to meet latency, data residency, and regulatory needs. Trusted by Perplexity, Samsung, LG, Wonderful, DeliverHealth, and many others.Whatever you're building — voice agents, wearables, live captioning, dictation, or speech-to-speech translation — Soniox is the speech layer powering your voice AI product.

Artificial Intelligence APIs & Integrations Natural Language Processing

7. Firma.dev

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 signing in an afternoon than sit through a sales cycle: clean REST API, embeddable template and signing editors, integration in hours. Test everything free with a sandbox key, real docs and unlimited usage, before you pay a cent. Get an API key and start building.

APIs & Integrations Developer Tools

155

8. Publora

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, comment, react, pull analytics — across LinkedIn, X, Instagram, Threads, TikTok, YouTube, Facebook, Bluesky, Mastodon, and Telegram

APIs & Integrations Developer Tools Marketing Tools

9. Krisp Voice 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 negotiable. 96% accuracy on real calls, zero patient safety incidents, 61+ languages with any to any pair. Translation API is now available self-serve with 60 mins free credit upon signup to dev dashboard.

APIs & Integrations Developer Tools

10. ZeroGPU

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 every task needs a frontier model. Our purpose-built, edge-optimized models run 10x faster, 50% cheaper and offload 70–80% of production tasks to small models with frontier-level accuracy.

Artificial Intelligence APIs & Integrations Developer Tools

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Categories

APIs & Integrations

1. API to MCP

2. Zernio WhatsApp API

3. Tabstack Dev Tools

4. Serro AI

5. Swytchcode CLI

6. Soniox

7. Firma.dev

8. Publora

9. Krisp Voice Translation API

10. ZeroGPU

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APIs & Integrations

1. API to MCP

2. Zernio WhatsApp API

3. Tabstack Dev Tools

4. Serro AI

5. Swytchcode CLI

6. Soniox

7. Firma.dev

8. Publora

9. Krisp Voice Translation API

10. ZeroGPU