Nlp Api Service
The best 50 Nlp Api Service AI tools - Free & Paid
Explore 50 AI for Nlp Api Service
you.bot is a multi-model API platform offering unified access to image, video, audio, music, and text generation via a single REST endpoint. It enables developers to switch models seamlessly, manage asynchronous tasks, and integrate with webhooks and polling, all with a consistent schema.
Freemium
AIMLAPI.com offers a unified API endpoint for over 400 AI models spanning chat, image, video, audio, voice, text, 3D, and OCR. It supports sandbox testing, granular access control, batch requests, and an OpenClaw runtime for secure, human‑in‑the‑loop workflows.
Freemium
GooseAI is a fast NLP-as-a-service tool that provides text completion/generation and question/answer tasks through an API.
Usage based
- $0.00011
Tinq.ai consolidates enterprise files—PDFs, slides, images, databases—into a secure, searchable layer. It syncs in real‑time, mirrors permissions, and exposes an OpenAI‑compatible endpoint, enabling AI models to retrieve up‑to‑date, cited insights across Slack, Teams, Salesforce, and more.
Subscription
- $15/mo
DeepSeek API, available via Kie.ai, provides access to DeepSeek models R1 and V3 for complex reasoning and natural language processing.
Freemium
Sapling offers a language‑model API that delivers real‑time grammar corrections in enterprise workspaces and messaging platforms. Developers embed it into editors, CRMs, and customer‑service tools with a simple SDK/API, while the platform supports private cloud, encryption, PII redaction, SSO, and s
Freemium
- $25/mo
BlogNLP is an AI writing assistant that generates blog posts, marketing copy, and academic drafts from a topic or outline. It adds SEO keywords, readability scores, meta tags, offers inline editing, keyword suggestions, export formats, and revision history for collaboration.
Freemium
Napi Bot offers a single‑command API that links Google Assistant to smart‑home devices and GPT services. With clear docs and API‑key authentication, developers can trigger device actions or generate responses, enabling automated home control and conversational flows.
Paid
Needle.app is a knowledge threading platform that centralizes documents, apps, and data into a searchable AI knowledge base. It automates workflows for tasks like document processing, data extraction, and personalized outreach across sales, HR, and other teams.
Freemium
- $29/mo
Tavily Search API is an AI-powered search engine built for LLMs and AI agents, delivering real-time, accurate information to power AI applications.
Freemium
Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.
Freemium
Jina AI provides AI-powered search solutions for enterprise and RAG systems, offering multimodal multilingual embeddings, neural reranking, and zero-shot classification. It enhances search relevance, supports content segmentation, and integrates with applications via APIs for advanced information re
Freemium
Linguamatics delivers AI‑powered translation and NLP for life sciences, offering secure instant translation in 170 languages via web portal or workflow integration. It supports clinical research, regulatory affairs, and pharmacovigilance with compliance‑compliant data privacy and scalable, cost‑effi
Freemium
AI API is a unified interface that connects to 100+ AI models for text, code, image, video, and speech tasks via a single OpenAI-compatible endpoint. It simplifies switching between models without code changes, with built-in routing, failover, and monitoring for production-ready development.
Freemium
n8n is an open‑source workflow automation platform with a visual canvas and custom JavaScript/Python support. It connects to 500+ integrations, enables AI agents and RAG, offers audit logs, real‑time alerts, and can be self‑hosted on Docker or Kubernetes.
Free
Towards AI Inc. aggregates global AI, machine learning, and data science job listings, enabling users to filter by language, stack, and company size. An AI assistant offers personalized job matches and links to upskilling certifications, while recruiters tap a qualified talent pool.
Freemium
Nex AI ingests, validates, and streams structured and unstructured data to AI agents or ERP/CRM systems, offering compliance checks, risk flagging, fraud detection, instant alerts, audit trails, and secure API integration with multiple data platforms.
Subscription
The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.
Freemium
- $40/mo
Nova is a GPT‑4o and Gemini chatbot available on web, iOS, Android, macOS, and Apple Watch, offering 24/7 conversational help for homework, writing, math, travel planning, and personalized book/movie recommendations, with seamless cross‑device continuity.
Freemium
Eden AI offers a single API that consolidates LLMs, vision, OCR, speech, translation, and more from Meta, Mistral, AWS, Azure, Google, and OpenAI. It provides smart routing, fallback, cost/latency selection, batch processing, caching, and multi‑API key management.
Subscription
Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.
Free trial
- $36
LinkedIn API is a secure interface for managing LinkedIn accounts and automating outreach, messaging, and engagement. It enables real-time data retrieval and workflow automation for sales, marketing, and recruitment.
Usage Based
NPI Lookup uses AI to retrieve provider data from the CMS NPPES database, accepting natural‑language queries or NPI numbers. It validates IDs, offers real‑time updates, and supports advanced filtering for precise searches by type, taxonomy, or region.
Freemium
Langsearch is a web search API that enables natural language queries and semantic reranking for improved search accuracy. It offers real-time access to diverse information, making it suitable for AI agents and applications needing enhanced search capabilities.
Free trial
Nofiltergpt is an AI chat tool that offers anonymous and unfiltered conversations. It ensures data security through local cloud storage and AES encryption, supports multiple languages, and provides a RESTful API for seamless integration.
Free trial
CometAPI is a unified AI platform offering single-API access to 500+ models like GPT and Claude, streamlining integration across providers. It ensures high-speed concurrency, real-time analytics, and vendor flexibility for industries like e-commerce and finance.
Usage Based
SharpAPI is a multifaceted AI tool for app development, encompassing e-commerce, sentiment analysis, content automation, and HR tech support. It provides features such as product intros, summarization, and job description generation across multiple industries.
Freemium
Line0 automates backend development by generating production-ready services from natural-language descriptions, offering an in-browser editor with feature-specific chats, two-way GitHub sync, live API client with hot-reload and database preview, and built-in testing workflows.
Freemium
Juicebox is an AI-powered search engine for talent acquisition that simplifies candidate sourcing through natural language queries. It analyzes over 800 million profiles, streamlines outreach, and integrates with ATS and CRM systems for efficient recruitment workflows.
Free trial
Exa provides a low-latency web search API and crawler with vertical search (companies, people, code), token-efficient excerpts and machine-readable extracts with grounded citations, enabling agent workflows, analytics, and enterprise-ready security and access controls.
Freemium
Puretalk AI® is a conversational AI platform that offers voice agents and chatbots for improved customer interactions. It features multi-language text-to-speech, automation for customer service, and easy integration with existing tools for enhanced workflow efficiency.
Free trial
newapi is an open-source AI API gateway that unifies 30+ upstream providers under a single OpenAI-compatible endpoint, featuring centralized key management and model routing. It enables self-hosted control over load-balancing, failover, and per-user quotas without application changes.
Freemium
Listnr AI converts text to speech with over 1,000 lifelike voices in 142 languages. It supports multi‑voice projects, fine‑tunes style, pitch, pauses, and emotion, and offers an API, dubbing, and a podcast studio for creators.
Paid
- $5/mo
Finlight Real-Time Financial News API offers real-time financial data and AI-driven sentiment analysis with advanced query options. It supports multiple integration methods, enabling seamless incorporation of market intelligence into applications and automated systems.
Free trial
MindPal converts SOPs into 24/7 AI agents. Its knowledge layer stores documents, orchestration chains tasks such as research and drafting, and the delivery layer publishes agents as chatbots, embedded tools, or portals that integrate with WordPress, Shopify, and Notion.
Freemium
Jio Haptik lets enterprises build AI agents that manage chat, voice, and messaging across multiple channels, using multi‑language NLP, RAG‑enabled knowledge integration, dynamic routing, human handoffs, and secure analytics dashboards.
Free
- $9.99/mo
Nextiva AI Customer Experience Platform unifies voice, video, chat, email, and social media into one interface, using XBert to automate routine interactions and route inquiries. It provides assistance, transcription, analytics, and integrates with Salesforce, HubSpot, Zendesk, Teams, and Google Work
Freemium
- $15/mo
OurToken.ai is a unified LLM API that allows developers to access models from OpenAI, Anthropic, Google, and others through a single integration point. It simplifies multi-provider deployment with smart prompt routing, centralized key management, and built-in usage tracking for cost optimization.
Subscription
LlamaIndex enables efficient development of AI knowledge assistants for enterprise data management, allowing users to parse complex documents and integrate various data sources, ultimately streamlining workflows and optimizing knowledge management across multiple sectors.
Free
NVIDIA NIM APIs offer AI tools for model exploration and deployment, featuring multi-pass inference, access to large language models for coding and image generation, and support for AI agents in customer service and document processing.
Freemium
Evolink is a unified API gateway providing single-key access to multimodal text, image and video models, with smart routing, automatic failover, low-latency provider switching, OpenAI/Anthropic/Google-compatible integration, SDKs, and real-time monitoring for scalable model orchestration.
Freemium
Talkpal is an AI‑powered language tutor supporting 80+ languages with interactive modes like speaking, writing, call, photo, and roleplay. It provides real‑time feedback on pronunciation, grammar, and vocabulary, personalizes practice, tracks progress, and offers certificate‑ready assessments.
Subscription
- $4.68/mo
Novita.ai is an affordable AI image generation API with thousands of models, providing high-quality images in seconds and supporting various use cases through the API.
Free trial
Tavily offers a secure, high‑volume web‑access API that delivers real‑time search, extraction, and structured results. It includes caching, indexing, and content validation, preventing leaks and malicious data, and guarantees 99.99 % uptime for enterprise‑grade reliability.
Freemium