Semantic Search Api
The best 50 Semantic Search Api AI tools - Free & Paid
Explore 50 AI for Semantic Search Api
Acade AI is an AI research assistant and academic writing platform that unifies literature search, PDF parsing, citation generation, data analysis, drafting, formatting, and translation in one workspace. It connects to Google Scholar and PubMed for source-verified retrieval, supports APA, IEEE, and
Free trial
- $14.99/mo
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
Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.
Free
Algolia is an AI‑driven search platform that indexes, retrieves, and monitors data. It offers Agent Studio, RAG‑powered experiences, conversational search, real‑time personalization, analytics, and built‑in integrations for e‑commerce, SaaS, media, and marketplaces.
Freemium
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
GoSearch consolidates indexed and non‑indexed data from 100+ apps, letting teams query across email, chat, documents, and private files with AI assistants. It automates routine tasks through custom agents, enforces granular security, and supports multiple LLMs for unified enterprise knowledge.
Freemium
- $20/mo
You.com is an AI-based search engine that provides customized search results and summarizes web pages by categories, with Code Complete for technical information and shareable links.
SearchCans is a dual API tool that delivers real-time Google search results (SERP, PAA, knowledge graphs) and converts web pages into clean, LLM-ready markdown or JSON for RAG pipelines and AI agents, replacing manual scraping and parsing.
Free trial
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
AI SEO unifies AI‑driven keyword research, technical audits, and content optimization into a single workflow. It refines structured data, internal linking, and semantic depth, improving search rankings, AI answer visibility, and machine readability for creators and marketers.
Subscription
- $15/mo
MediSearch delivers AI‑driven, evidence‑based medical answers via a structured query interface and advanced filters for topics such as cancer risk and medication side effects. It offers a downloadable app and business solutions, focusing on up‑to‑date, accurate content.
Freemium
WebQuery lets users load URLs to build an indexed knowledge base that can be queried in natural language. Answers are drawn exclusively from uploaded content, enabling precise fact retrieval without reading full text.
Freemium
- $10/mo
Scavio AI is a real-time search API for AI agents that returns structured JSON data from Google, Amazon, YouTube, Walmart, and Reddit via a single endpoint. It extracts clean metadata for direct ingestion into models and agent workflows, with official SDKs for LangChain and MCP integration.
Free trial
- $30/mo
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
DeepSeek API, available via Kie.ai, provides access to DeepSeek models R1 and V3 for complex reasoning and natural language processing.
Freemium
Keyword Insights consolidates keyword research from Google, Reddit, Quora, and YouTube. It clusters terms, provides volume, difficulty, CPC, SERP similarity, intent, content‑gap analysis, AI‑generated briefs, and on‑page writing support.
Subscription
- $58/mo
Alchemi is an enterprise SEO platform that optimizes visibility in zero‑click AI searches by reverse‑engineering LLM retrieval logic, managing technical SEO at scale, and measuring AI citation impact to drive intent and conversion for marketers, SEO specialists, and analysts.
Freemium
- $37
Search+ AI enables users to interact with PDF documents through conversational queries, providing immediate answers and insights. It supports collaborative dialogue, ensures document privacy with encryption, and streamlines workflows for enhanced decision-making across multiple languages.
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
Omnisearch indexes video, audio, and text in real time, enabling instant keyword and moment search across 30+ languages. API integration supports e‑learning, CMS, and archives, with secure on‑prem or cloud deployment and scalable performance.
Free trial
GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.
Free
Trieve is an AI infrastructure API that enhances search and discovery with advanced semantic vector and full-text search capabilities. It offers easy data management, no-code dashboard features, and self-hosting options for improved relevance and data privacy.
Freemium
Browser extension that displays conversational AI answers and multi-model comparisons alongside search results, integrates with GPT-4/Claude and major search engines, and adds YouTube summaries, PDF/image/OCR processing and content-generation tools for research and creation.
Free
Prefixbox AI Search delivers personalized, autocomplete‑rich results for e‑commerce sites, integrating natively with Shopify, Salesforce, Magento, and WooCommerce. It handles natural‑language queries, offers real‑time localized and multilingual support, built‑in A/B testing, analytics dashboards, an
Free
- $169/mo
WebScraping.AI offers a single API that retrieves clean HTML, plain text, or JSON from any URL, handling JavaScript-heavy pages, proxies, CAPTCHAs, and retries. Users can query, extract fields, generate summaries via prompts, and integrate with SDKs or workflow tools.
Subscription
- $29/mo
Kagi.com is a privacy-focused, ad-free search engine with customizable filters and AI-powered tools. It integrates multiple large language models for summarization and research, and offers team features for collaborative workflows.
Freemium
talordata.com is a unified SERP API that delivers structured JSON data from Google, Bing, Yandex, and DuckDuckGo via a single REST endpoint. It enables automated parsing, AI/LLM ingestion, and real-time search monitoring for developers, SEO teams, and data analysts.
Free trial
DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.
Consensus is an AI‑powered academic search engine indexing 250 million peer‑reviewed papers. Its Deep Search expands terms, applies filters for time, design, and population, visualizes study agreement, and offers medical‑focused evidence for rapid literature reviews.
Freemium
OpenSEO offers AI-driven SEO research and brand visibility tools for keyword discovery, rank tracking, domain and competitor analysis, backlink checks and site audits, plus AI citation and mention extraction and model comparison to guide content planning and fixes.
Subscription
- $10/mo
Topical Map AI automates social media and SEO keyword research, generating over 1,000 targeted keywords in seconds. It offers map creation, metrics viewing, and filtering capabilities across 20+ languages, streamlining content strategy for bloggers and marketers.
Freemium
AI‑powered platform generating SEO‑optimized articles, product roundups, and affiliate reviews in up to 48 languages. It analyzes competitors, suggests keyword placement, supports bulk production, auto‑publishes to WordPress, creates product listings from URLs, and supplies contextual images with SE
Subscription
- $14/mo
Gensearch is a user-friendly generative AI tool that enables users to create customized search engines without coding. It integrates with major search backends and allows for personalized interfaces, catering to both technical and non-technical users.
Free
Spaces Semantic Search is a semantic search for Hugging Face spaces that allows users to easily find apps based on their queries.
Free
Blackbox AI is an AI-powered tool for developers that searches and autocompletes code snippets across multiple programming languages and repositories, extracts code from videos and PDFs, and converts queries into code.
Free trial
- $5/mo
Denser.ai is a code‑free platform that lets users build website chatbots and semantic search tools. It indexes PDFs, documents, and webpages, supports retrieval‑augmented generation, database querying, 24/7 support, automated lead capture, and detailed chat analytics.
Freemium
- $29/mo
AI SEO aligns website content with AI‑driven search engines, offering keyword research, competitive analysis, and topic clustering. It audits schema, architecture, and content, refines semantic clarity, humanizes AI text, and tracks visibility in AI and traditional search.
Subscription
- $29/mo
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
BlogSEO AI automates SEO‑ready blog creation in 31 languages, offering keyword research, topic generation, tone and length control, and auto‑publishing to CMSs. It tracks traffic, rankings, offers meta optimization and summarises YouTube videos into articles.
Freemium
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
SemaReader converts web pages into clean, LLM‑friendly text for precise summaries, topic extraction, and keyword tagging. It integrates with analytics dashboards or knowledge graphs, boosting research and business intelligence with faster, noise‑reduced content analysis.
Free
Surfer is an SEO content platform that offers real‑time analysis of article structure, keyword density, and images in multiple languages. It supplies an editor with on‑page recommendations, AI‑driven drafting, link insertion, authenticity checks, and brand visibility tracking.
Subscription
- $49/mo
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
Serpex is a search API that provides structured, real-time data from search engines like Google and Bing. It supports web scraping, cleans data for AI processing, and integrates easily with various programming languages, ensuring high-speed performance and reliability.
Free trial
- $5
Yext centralizes location data, listings, Knowledge Graph, and local pages to improve local SEO and search visibility for multi-location brands, automating updates, synchronizing reviews, enabling AI-driven search integrations, competitive monitoring, and location-level performance insights.
Freemium