Popular free APIs commonly used by developers

• Weather Forecast Inquiry : Inquire about the weather in many cities across the country and around the world, including 15-day weather forecast inquiry.

• Air quality query : Query the hourly observations of 3400+ cities in China, and obtain the hourly observation air quality of the specified cities.

• Minute-level precipitation forecast : It can accurately remind you when the next rain will appear, when it will become bigger, and when it will stop.

• Sunrise and sunset : Get the daily sunrise time and sunset time of the specified city/location.

• Moonrise and moonset and moon phase : Query the daily moonrise time, moonset time, moon phase, exposure ratio, moon phase phase angle, next new moon time, next full moon time and other data.

• Life index for the next 7 days : Support weather index data of 3,400+ domestic cities and 40,000 international cities, including morning exercise, (12 items, detailed description).

• Weather warning : You can obtain all kinds of weather warnings that are currently in effect in a specified city, such as the blue warning signal of cold wave, or pull all the weather warnings that are in effect across the country at one time.

• Mobile phone number attribution : Provide mobile phone number attribution query of the three major operators.

• Empty number detection : Query its online activity through the mobile phone number, and return status including empty number and downtime.

• Mobile phone online status : support the input of the numbers of the three major operators, query the online status of the mobile phone number, and return various statuses such as online.

• Anti-fraud (Wool Shield) : Anti-machine fraud, detect abnormal IP, abnormal mobile phone number.

• AI painting : Generate pictures through AI, including Tushengwen, Wenshengtu, etc.

• Face detection : Quickly detect faces in the picture and return the position of the face, output the coordinates of key points of the face, and support the recognition of multiple faces.

• Static liveness detection: Static liveness detection is mainly used to upload images for users, and return whether the face in the image is a real person; based on the flaws of the portrait in the picture (moiré pattern, imaging deformity, etc.), judge whether the target is alive, effectively prevent screen Cheating attacks such as remakes.

• National Express Logistics Inquiry : 1. Provide express logistics track number inquiries for 600+ express companies including STO, SF Express, YTO, Yunda, ZTO, and Huitong. 2. Real-time synchronous update with the official website. 3. Automatically identify the courier company.

• National express logistics map trajectory query : [H5 logistics trajectory, tracking number identification] automatically evaluates the logistics timeliness through the logistics tracking number and receiving and sending address, and displays the package transportation trajectory on the map. Including SF, YTO, STO and other mainstream express companies. Automatically identify the courier company and tracking number, real-time query, stable and efficient, the server responds in milliseconds, and the data is timely and accurate.

• Cross-border international express logistics query : support 900+ logistics providers, provide real-time query and tracking number subscription API interface. Stable and efficient, providing high-quality services for cross-border e-commerce platforms, independent stations, and software service providers.

• Express deliverability verification : According to the receiving address and the express company, combined with the local epidemic control to verify whether the address can be delivered, and reduce the capital loss caused by the merchant's printing of orders in embargoed areas.

• Logistics timeliness query: estimate the time from placing an order to receiving the goods, and calculate the timeliness of logistics.

• Baidu AI Open Platform : Covers eight aspects of image processing, natural language, speech technology, knowledge graph, data intelligence, AR, video technology and deep learning. You can choose according to your needs.

• Xunfei open platform : supports voice dictation/transcription, online/offline command word recognition, voice wake-up, etc. The platform supports a wide range and provides corresponding SDKs.

• Baidu Maps : Baidu Maps provides SDK and JavaScript API for Android and iOS versions, which can provide positioning, maps, data, travel, eagle eye track and analysis services.

• AutoNavi Maps : AutoNavi Maps provides JavaScript and web service APIs, Android and iOS SDKs, supports maps, positioning, search, route planning, navigation and indoor maps, etc.

• Tencent Maps : Tencent Maps provides JavaScript API, Android and iOS SDKs, supporting positioning, maps, location search, routes and navigation, etc.

• Tianditu : Tiandidi provides web APIs such as H5 API and JavaScript API, as well as Android and iOS SDKs, supporting basic map services, layer management, map overlays, map tools, place name search and travel planning services.

• Tuba map : Tuba provides JavaScript and Flash API, Android and iOS SDK, supports positioning, address resolution, location annotation, location screenshot, route planning, surrounding query, point of interest search and online navigation.

• Google Maps : The Google Maps web Service is a collection of HTTP interfaces to Google services that provide geographic data for your map application.