Commonly used free APIs for weather, mobile phone number attribution, etc.

• Weather Forecast Inquiry : Supports weather inquiries in many cities across the country and around the world, including 15-day weather forecast inquiries.
• Mobile phone number attribution : mobile phone number attribution, provide mobile phone number attribution query for China Mobile, China Unicom, China Telecom, etc.
• National express logistics query : currently supports express information query of 600+ express companies.
• Cross-border international express logistics query : support 900+ logistics providers, provide real-time query and tracking number subscription API interface.
• Logistics timeliness query : estimate the time from placing an order to receiving the goods, and calculate the timeliness of logistics.
• Empty number detection : Query its online activity through the mobile phone number, and return status including empty number, real number, downtime, no inventory, silent number, risky number, etc.
• Mobile phone online status : support incoming mobile phone numbers from China Mobile, China Telecom, and China Unicom, query the online status of the mobile phone number, and return various statuses such as online, online unavailable, and offline (number canceled/not enabled/stopped).
• Anti-fraud (Wool Shield) : Anti-machine fraud, detect abnormal IP, abnormal mobile phone number. Help customers identify a large number of malicious accounts.
• IP attribution-IPv4 district and county level : query the attribution information according to the IP address, including 4.3 billion full IPv4, support to the district and county level in China (excluding Hong Kong and Taiwan), including operator data.
• IP attribution-IPv6 district and county level : Query the attribution information according to the IP address (IPv6 version), including country, province, city, district and county, and operator information.
• ID card recognition OCR : Pass in the ID card photo, recognize the text information of the photo and return it, including name, ID number, gender, ethnicity, date of birth, address, issuing authority and validity period.
• Universal text recognition OCR : Multi-scenario, multi-lingual, high-precision full-image text detection and recognition services, many indicators are industry-leading, and can recognize Chinese, English, Japanese, Korean, French, and German languages.
• Two-dimensional code recognition OCR : detect and recognize the two-dimensional code and barcode in the picture, and return the stored text content.
• Bank card recognition OCR : Automatically locate the image area of ​​the bank card, support the identification of the front information of the bank card, including bank card number, bank card type, bank name and other information, and the accuracy rate of scanning and identifying bank cards is as high as 99%.
• Driving license identification OCR : Supports the identification of the original and copy information of the driving license, including license plate number, owner, vehicle type, brand model, address, engine number, vehicle identification number, registration date, issuance date, nature of use and other information.
• Invoice identification OCR : identify all key fields published in VAT general invoices, motor vehicle invoices, train tickets, PDF electronic tickets, itinerary sheets, etc., including basic invoice information, seller and buyer information, product information, price and tax information etc. Among them, the recognition accuracy rate of the five elements exceeds 99%.
• Driver's license recognition OCR : Supports automatic recognition of driver's license, and extracts name, gender, nationality, address, date of birth, date of first receipt of license, permitted vehicle type, expiration date and other driving certificate physical information.
• License plate recognition OCR : recognize the license plate information of various motor vehicles in mainland China, support blue cards, yellow cards (single and double lines), green cards, large new energy (yellow and green), and can recognize multiple license plates in the image at the same time.
• Idiom Encyclopedia : Idiom Encyclopedia provides idiom explanation, idiom usage, idiom source, idiom riddle, idiom story, idiom Solitaire, synonyms, antonyms, etc.
• Famous quotes and epigrams : Get various types of famous quotes, covering life, inspirational, reading and other aspects, with rich content. It is very helpful for the education of children and the vigilance of adults.
• Two elements of the operator : input the name and mobile phone number, and check whether the two items are consistent.
• Three elements of the operator : input the name, ID number, and mobile phone number, verify that the three information are consistent, and return the verification result, the location of the mobile phone, and the name of the operator.
• 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.
• AI painting : Generate pictures through AI, including Tushengwen, Wenshengtu, etc.
• SMS verification code : It can be used in application scenarios such as login, registration, password retrieval, payment authentication, etc. Supports three major operators, 3 seconds to reach, 99.99% arrival rate, supports large capacity and high concurrency.
• Notification SMS : SMS notification supports the three major operators and virtual operators. We provide carrier-level operation and maintenance guarantees and exclusive dedicated channels.
• 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.
• Typhoon Information Query : Provide information query of all numbered typhoons in the Northwest Pacific Ocean and South China Sea in the past two years and the current year, including the real-time location, past track, forecast track, and landing information of the typhoon.
• Historical weather forecast: You can query the historical weather forecast data of designated cities in China, up to January 1, 2018. At present, it supports the query of historical forecast data of 3400+ domestic cities, and also supports the query of any latitude and longitude in China.