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Showing 193–216 of 228 tools for “API”
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Freemium

Wolfram|Alpha

Q&a

Wolfram|Alpha is a computational knowledge engine that answers questions by computing results from curated data and symbolic methods across mathematics, science, engineering, finance, and other domains. A free web experience is available; Pro subscriptions and API access add capabilities and usage.

Computational answers across many subjects Step-by-step solutions with eligible Pro plan
Freemium

ACCELQ

Test automation

ACCELQ is a codeless continuous testing platform for web, API, mobile and enterprise applications, with test design, execution and CI integrations. Individual use is free; professional and enterprise plans offer trials and custom pricing.

Codeless test design and test management Automate web, mobile, API and enterprise application testing
Freemium

FormX.ai

Document data extraction

FormX.ai extracts structured data from documents through a web portal and API, with prebuilt and custom document extractors. It includes 100 free pages, pay-as-you-go processing from $0.30/page, and a $299/month Starter plan.

Extract data from invoices, receipts, IDs and custom documents API and workflow integrations
Usage-based

Dasha

Customer support

Dasha is a developer platform for building and operating real-time voice AI agents with APIs and conversational flows. A free Developer plan includes 1,000 minutes; Growth starts at $0.08 per connected minute, excluding VoIP and LLM tokens.

Build real-time voice agents with API and conversation tools Connected-call billing to the second
Pricing not listed

Capit

Social media captions

Automatic photo captioning tool listing for generating descriptions or social captions from images. Current service availability and privacy are unverified.

Photo caption generation listing Image description
Freemium

Tavus

Videos

Tavus provides APIs and a no-code platform for creating conversational AI video experiences and digital replicas. It has a free tier, paid monthly plans with included usage, and custom enterprise pricing.

Conversational AI video interface and APIs AI video generation and digital replicas
Paid

Nuclia

Data analysis

AI search and retrieval platform for building knowledge assistants over enterprise documents and data, with ingestion, indexing and retrieval APIs. Check current company documentation.

Multimodal data ingestion AI search and retrieval
Freemium

Cedille

Writing

Cedille is a multilingual writing assistant for generating, summarizing, rewriting, and correcting text, with a focus on French and German language workflows. It has a free allowance and paid monthly tiers, with custom plans and API options.

Text generation and completion Summarization and rewriting
Pricing not listed

PlayHT

Text to speech

PlayHT (PlayAI) offers text-to-speech and voice AI tools, including expressive synthetic voices, voice cloning, and conversational voice agents. The public pricing and product availability may change; check the current site for plan access and limits.

AI text-to-speech Synthetic voice generation
Paid

Agenty

Website data extraction

Web scraping and data extraction platform for building agents that collect structured information from websites and deliver it to business systems. Respect site terms and access controls.

Visual web scraping Data extraction agents
Paid

Astria

Image to image

Astria provides hosted generative image tools and APIs, including custom fine-tuning of image models for consistent characters, styles and product imagery. Users can train a model on reference images and generate outputs through a web interface or API. Usage is credit-based and paid.

Fine-tune image models from reference images Generate consistent characters, products and visual styles
Freemium

Mubert

Music creation

Mubert generates royalty-free music and soundtracks for creators, brands and developers. Mubert Render creates tracks from prompts or parameters such as mood and duration; Studio supports musicians contributing samples, and API plans support product integrations. Free and paid plans have different licensing and usage terms.

Generate music for videos and digital content Set mood, genre and duration for tracks
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