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API

Discover the best AI tools in API

716 products found

Uncovar

Uncovar

Published by Best AI Tool Finder

API

One API for realtime marketplace data collection for your ai agents. Give your ai agents superpowers to collect all the relevant data it needs from any marketplace to act on.

Free

Free tier

UsageGate

UsageGate

Published by Best AI Tool Finder

API

UsageGate tells your app if a user can still use a feature. Example: Hobby = 20 AI image cleanups. Studio = 400. Before you run the cleanup, you ask UsageGate. Yes → run it. No → block it. You do not build counters, databases, or “did they pay?” logic. You write the plans. UsageGate enforces them. For Next.js. Free to start. usagegate.io

Free

Free tier

Tempy

Tempy

Published by Best AI Tool Finder

API

Forward emails from Gmail, Outlook, or any mail provider to your personal Tempy address. We'll deliver them to your API.

Free

Free tier

Capslane

Capslane

Published by Best AI Tool Finder

API

Capslane gives developers a stable API for YouTube transcripts. It returns native captions when available and automatically generates a timestamped transcript when they are missing. Get plain text or structured segments, choose a language, manage API keys, inspect usage, and connect through JavaScript, Python, MCP, or n8n. Start with 50 free requests each month.

Free

Free tier

TrustedRouter

TrustedRouter

Published by Best AI Tool Finder

API

One OpenAI-compatible API for hundreds of models on attested infrastructure, end to end encryption, with Confidential routes, ZDR routes, provider failover, BYOK, and no prompt or output logs.

Free

Free tier

MCP Platform

MCP Platform

Published by Best AI Tool Finder

API

MCP Platform turns existing REST APIs into production-ready MCP servers from an OpenAPI specification. Generate tools automatically, classify operations by risk, add authentication and governance, publish a remote MCP endpoint, and connect it to clients like ChatGPT or Claude — without building MCP infrastructure from scratch.

Free

Free tier

akta.pro

akta.pro

Published by Best AI Tool Finder

API

Private company data with 4x the depth and 2x the coverage of PitchBook, plus 100+ event signals and news across companies, industries, and topics. Source and diligence deals or make outreach lists and trigger outbound. Built for financial services and GTM teams, pay-as-you-go.

Free

Free tier

Router by Ramp

Router by Ramp

Published by Best AI Tool Finder

API

Stop overpaying for LLM inference and juggling multiple API integrations. Router.com provides a single API endpoint that routes every request to the lowest-cost model that meets your performance threshold—backed by Ramp's financial visibility. Start routing smarter today at router.com!

Free

Free tier

Mindcase

Mindcase

Published by Best AI Tool Finder

API

Mindcase is the infrastructure layer for extracting web data in a structured, usable format. Built for developers and AI teams that need reliable web data without managing scraping infrastructure. Access APIs across popular sources, or get anything across the web built as a custom API for your specific use case.

Free

Free tier

Chert

Chert

Published by Best AI Tool Finder

API

Build and deploy conversational iMessage agents for customer service, inbound lead capture, and more. Simply configure the system prompt and tone, and you can create your own conversational iMessage agent for inbound handling, outbound follow-up, or whatever workflow you want to test. You can also integrate with CRMs like HubSpot, Close, or GoHighLevel to write back conversation histories.

Free

Free tier

Bruno

Bruno

Published by Best AI Tool Finder

API

The API-client built for developers. Open-source. Local Native git. Bruno stores collections on your filesystem which allows you to natively interact with git for collaboration and versioning.

Free

Free tier

HookLens

HookLens

Published by Best AI Tool Finder

API

Debug, monitor, and triage failed Stripe and Shopify webhooks instantly with Gemini AI. Turn cryptic JSON payloads into clear root causes and code-ready fixes.

Free

Free tier

Startup Program by Recall.ai

Startup Program by Recall.ai

Published by Best AI Tool Finder

API

The universal API for meeting recording. Recall.ai provides a single API for meeting bots to record virtual meetings on platforms like Zoom, Google Meet, Microsoft Teams, and more. Recall.ai's Desktop Recording SDK supports recording on all meeting platforms as well as capture for in-person meetings.

Free

Free tier

Treg

Treg

Published by Best AI Tool Finder

API

Agents don't care about vendors - they want the best API for the task. treg gives your agent 2,600+ tools (SEO, social, leads, ads, scraping) behind one URL and one token. Search by task, see price/request/response, pay per call at 0% markup. Open source.

Free

Free tier

BeeL

BeeL

Published by Best AI Tool Finder

API

In Spain, every invoice now has to be tamper-proof and reported to the tax agency. That's Verifactu, and building it yourself eats a quarter of engineering time. BeeL is one API that just does it. Point us at your payments and each charge becomes a legal invoice, filed with the tax agency and emailed to your customer. One click on Stripe, no code — or wire the API into your product. REST, SDKs, and a CLI so Claude Code or any AI agent can invoice. Free sandbox, no limits.

Free

Free tier

Proxy Tester by ScrapeOps

Proxy Tester by ScrapeOps

Published by Best AI Tool Finder

API

ScrapeOps Proxy Tester is a technical benchmarking platform for developers, scraping teams, data providers, SaaS companies, and AI agents selecting proxy infrastructure. Submit a target URL to test 20+ residential, datacenter, mobile, Proxy API, and unblocker configurations. It measures real-world success rate, latency, reliability, bandwidth, and estimated cost, then generates a use-case-specific ranking instead of relying on generic provider claims.

Free

Free tier

Netlink Resource Group

Netlink Resource Group

Published by Best AI Tool Finder

API

Netlink Resource Group designs and supports custom marketing platforms for enterprises whose CMS and disconnected systems can no longer handle complex workflows. We build secure API integrations, real-time data synchronization, multilingual capabilities, and scalable web applications around existing technology. With 30 years of experience, a fixed-cost model, and ongoing support, Netlink helps organizations modernize without replacing everything they already rely on.

Free

Free tier

AntsData · 蚁数科技

AntsData · 蚁数科技

Published by Best AI Tool Finder

API

AntsData provides Web Scraper, Unlocker, SERP APIs, and custom datasets for YouTube, X, LinkedIn, TikTok, Amazon, and more. Start free, no credit card required.

Free

Free tier

BackEngine MCP

BackEngine MCP

Published by Best AI Tool Finder

API

Most companies wire Claude or ChatGPT into Slack, email, calls, tickets, and their CRM over one singular MCP. That's raw pipes into scattered systems. The model reads a slice and guesses at the rest. BackEngine MCP connects to the same tools, but reads everything first, joins all of it into one permissioned record per account, kept current, so Claude and ChatGPT always work from the whole picture. Head-to-head: 67% fewer errors, 2.4x more key facts, 65% fewer tokens vs. direct connectors.

Free

Free tier

Orite

Orite

Published by Best AI Tool Finder

API

AI agents can already shop, book, and research on their own but the moment one needs to pay, every existing system assumes a human clicks approve. Nobody built for agents. Orite fixes that. Set spending limits once Orite enforces them on every transaction, automatically. Stay within budget, it just happens. Go over, it's blocked or held for a quick yes/no. Every payment logged, always explainable. Works wherever you build your agent. This is day one of AI having its own money.

Free

Free tier

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