TwitterAPIs is a pay per call Twitter and X API for developers and AI agents: $0.0008 a call, about 20 tweets per read ($0.04 per 1,000 tweets), with no subscription and no X developer account. One API key covers 121 endpoints for tweet search, user profiles, followers, timelines, posting and DMs, and an MCP server lets Claude, Cursor and other agent clients use the same tools. New accounts start with $0.50 in free credit.
RedditAPIs is a hosted, pay as you go Reddit API: one key for posts, comments, users, search, votes and DMs from $0.0015 a read, with no Reddit app review and no contract. It covers 74 endpoints, handles OAuth for you, and ships a read only MCP server so Claude, Cursor and other agents can search Reddit and read full comment trees. Every account starts with $0.50 in free credit.
Crypto market data API: prices averaged from 16 exchanges, markets, exchanges, wallets, sentiment, indicators, liquidations and more, with SDKs in 8 languages and a hosted MCP server for AI agents. Free plan: 10,000 requests a month.
Offendersearch is a public-records search API built for screening workflows in healthcare staffing, home care, tenant screening, and developer products that need a defensible answer fast. A single request searches 58 US sex offender registries covering 1.5 million records and returns scored candidate matches. Every record carries the registry it came from and the fields that matched, so a reviewer can see why a result surfaced and cite it. A second endpoint searches criminal records from court a
ClaudeAPIKey.dev is a developer API access service operated by AI Prime Tech. Users create an account, choose a timed access plan or prepaid credits, and generate an API key for their selected access group. The service includes setup guides for Claude Code, Cursor, Cline and custom applications, along with API documentation. Model availability and request limits depend on the access group. ClaudeAPIKey.dev operates independently of Anthropic and does not include a Claude.ai Pro or Max subscripti
NormAPI is an e-invoicing API for Germany's XRechnung and ZUGFeRD formats. The validator is free, needs no sign-up and stores nothing: upload an invoice (UBL, CII or ZUGFeRD PDF) and every problem comes back with its official rule code, where it occurs in the XML, and a plain-language explanation of how to fix it. Checks run against the current KoSIT rule set, and the version is stated on every result. For software teams, the same checks are available as a REST API, together with generation of
Fiskil Banking API helps businesses securely connect customers’ bank accounts to their products and access financial data through open banking. It provides access to account details, balances, categorised transactions, liabilities, payees and scheduled payments. Businesses can use this data to simplify onboarding, pre-fill application forms, support account verification and give customers a clearer view of their finances. Customisable consent flows let teams create a connection experience that
StayingAPI gives developers and AI agents live accommodation data from Airbnb, Booking.com, Vrbo, and Google Hotels through one API, all in the same schema. You get search, availability, live prices, cross-OTA price comparison, reviews, and full listing details, so you don't have to build and maintain a separate scraper for each site. Call it over REST, or point an AI agent at the native MCP server. There's a free key with no card, pricing is credit-based, and you're not billed for failed or emp