# Data & Utility APIs > Third-party APIs to call from your code for data or a service: IP geolocation, SERP, screenshots, PDF or image generation, fake data, public datasets. Not every SaaS that has an API. - Parent category: [Backend](https://devshelf.io/category/backend.md) - DevShelf page: https://devshelf.io/category/data-utility-apis ## Resources (37) - [ApexVerify](https://devshelf.io/resource/apexverify.md): Online platform for verifying email addresses, phone numbers, and postal addresses with real-time accuracy and bulk processing support. (pricing: Freemium, Pay-as-you-go) - [API Hub](https://devshelf.io/resource/api-hub.md): A centralized marketplace and discovery platform for finding, testing, and connecting to third-party APIs. (pricing: Freemium) - [APILayer](https://devshelf.io/resource/apilayer.md): Unified API marketplace and hub offering over forty production-ready data, utility, and developer APIs accessed through a single API key. (pricing: Freemium, Pay-as-you-go) - [APIVerve](https://devshelf.io/resource/apiverve.md): APIVerve provides 380+ production-ready APIs accessible via a single API key, featuring consistent schemas and reliable uptime. (pricing: Freemium) - [DataForSEO](https://devshelf.io/resource/dataforseo.md): Comprehensive SEO and digital marketing data solutions delivered via API for building rank tracking, keyword research, and analytics software. (pricing: Pay-as-you-go) - [DepthFeed](https://devshelf.io/resource/depthfeed.md): Historical order-book and price data API for prediction markets including Polymarket, Kalshi, and Limitless, designed for backtesting. (pricing: not verified) - [Domainee](https://devshelf.io/resource/domainee.md): Custom domains API for SaaS products with automated SSL issuance, continuous DNS monitoring, and Model Context Protocol (MCP) support. (pricing: Pay-as-you-go) - [DummyJSON](https://devshelf.io/resource/dummyjson.md): Free fake REST API providing instant placeholder JSON data, diverse datasets, and dynamic image placeholders for frontend development and testing. (pricing: Free) - [FaviconAPI](https://devshelf.io/resource/faviconapi.md): Self-hosted favicon API and proxy that races multiple scrapers and upstream providers in parallel to return the highest-resolution domain icon. (pricing: Free) - [Feedframer](https://devshelf.io/resource/feedframer.md): API service to retrieve Instagram posts as JSON, GraphQL, or RSS feeds with caching and filtering. (pricing: Freemium) - [FluentEDI](https://devshelf.io/resource/fluentedi.md): Public HTTP API of deterministic utility tools designed for AI agents, including time, math, cryptography, parsing, and X12 retail EDI support. (pricing: Free) - [Greip](https://devshelf.io/resource/greip.md): API for real-time fraud prevention, IP geolocation, VPN/proxy detection, and user data scoring. (pricing: Paid) - [IPASIS](https://devshelf.io/resource/ipasis.md): Bot detection and fraud prevention API providing real-time risk scoring using IP intelligence and email validation. (pricing: Freemium) - [IPWho](https://devshelf.io/resource/ipwho.md): A high-performance IP geolocation API service built on a private global network, offering low-latency data with transparent pricing. (pricing: Freemium) - [JSONPlaceholder](https://devshelf.io/resource/jsonplaceholder.md): Free online REST API providing fake data for testing, prototyping, and code examples without setting up a backend server. (pricing: Free) - [Kroki](https://devshelf.io/resource/kroki.md): Unified HTTP API to generate diagrams from textual descriptions supporting multiple diagram libraries and output formats. (pricing: Free) - [Live Tennis API](https://devshelf.io/resource/live-tennis-api.md): Real-time tennis data API offering live scores, match-winner market prices, historical tape data, and win-probability models via REST and WebSocket. (pricing: Freemium) - [Logo.dev](https://devshelf.io/resource/logo-dev.md): An API service that provides company logos by domain name for integration into web and mobile applications. (pricing: Paid) - [Open Banking Access](https://devshelf.io/resource/open-banking-access.md): API and application for connecting to bank accounts and retrieving transaction data without requiring PSD2 certificates. (pricing: Paid, Pay-as-you-go) - [pdf noodle](https://devshelf.io/resource/pdf-noodle.md): An AI-powered PDF template generator and workflow automation tool with visual and code editors, dynamic content support, and API integrations. (pricing: Paid, Pay-as-you-go) - [pdfme Playground](https://devshelf.io/resource/pdfme-playground.md): Interactive online playground and template gallery for pdfme, an open-source TypeScript PDF generation library. (pricing: Free) - [Pictify](https://devshelf.io/resource/pictify.md): API and webhook engine to render data into documents, certificates, and personalized videos, with automated email delivery and tracking. (pricing: Freemium) - [PostPeer](https://devshelf.io/resource/postpeer.md): Unified social media API for publishing, scheduling, analytics, and engagement across multiple platforms through a single endpoint. (pricing: Freemium) - [QRcode.show](https://devshelf.io/resource/qrcode-show.md): Generate QR codes directly from the command line using HTTP requests and curl. (pricing: Free) - [Reserp Search API](https://devshelf.io/resource/reserp-search-api.md): Google Search API providing programmatic access to SERP results with a structured schema and 99.8 percent production success rate. (pricing: Freemium) - [REST Countries](https://devshelf.io/resource/rest-countries.md): Normalized country data API providing over 250 countries and 90 fields including populations, currencies, leaders, and borders. (pricing: Freemium) - [Scrapfly](https://devshelf.io/resource/scrapfly.md): Web scraping API and cloud browser infrastructure with automated proxy rotation, JavaScript rendering, and pay-on-success pricing model. (pricing: Freemium) - [ScrapingBee](https://devshelf.io/resource/scrapingbee.md): Web scraping API handling proxy rotation, headless browser rendering, and anti-bot defenses for reliable data extraction at scale. (pricing: Freemium) - [Screenshot Scout](https://devshelf.io/resource/screenshot-scout.md): Website screenshot API that automatically strips cookie banners, chat widgets, and ads while supporting full-page rendering and custom viewports. (pricing: Freemium) - [SerpApi](https://devshelf.io/resource/serpapi.md): Scrape Google and other search engines from a fast and easy API. (pricing: Freemium) - [Serpent API](https://devshelf.io/resource/serpent-api.md): JSON-based SERP data extraction API supporting Google, Bing, Yahoo, DuckDuckGo, and Brave with multi-engine search and pixel position coordinates. (pricing: Pay-as-you-go) - [SocialKit](https://devshelf.io/resource/socialkit.md): API service for extracting social media transcripts, posts, profiles, and metrics across platforms like YouTube, TikTok, X, and LinkedIn. (pricing: Freemium, Pay-as-you-go) - [Templated](https://devshelf.io/resource/templated.md): API for automated image, video and PDF generation using dynamic templates and a drag-and-drop editor. (pricing: Freemium) - [TemplateFox](https://devshelf.io/resource/templatefox.md): Visual template editor and API to generate PDFs and images at scale with dynamic data, tables, and barcodes. 60 free PDFs per month. (pricing: Freemium) - [TranscriptFetch](https://devshelf.io/resource/transcriptfetch.md): API to extract timestamped transcripts, metadata, and captions from YouTube, TikTok, Instagram, and podcasts for AI applications and RAG pipelines. (pricing: Pay-as-you-go) - [TwitterAPI.io](https://devshelf.io/resource/twitterapi-io.md): Public social data API for X (formerly Twitter) built for developers and AI agents, offering real-time tweets, user profiles, and search endpoints. (pricing: Pay-as-you-go) - [Xquik](https://devshelf.io/resource/xquik.md): API and scraper for searching and extracting X (Twitter) tweets, replies, followers, and profiles, with support for AI agents. (pricing: Paid) --- Source: DevShelf.io, the hand-reviewed catalog of dev tools and resources. Every resource is reviewed by hand before it is listed.