APIs Tools
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CurrencyRates API
Freemium
CurrencyRates API provides real-time and historical exchange rates for 170 currencies including cryptocurrencies, with bulk conversion endpoints optimized for e-commerce checkout flows and financial reporting systems. The service includes rate alerting webhooks that notify applications when specific currency pairs cross defined thresholds, useful for treasury management and international pricing strategies.
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PDFExtract API
Freemium
PDFExtract API converts PDF documents into structured JSON data, extracting tables, form fields, and text blocks while preserving layout relationships needed for downstream processing. The API handles scanned documents through built-in OCR and is commonly used by fintech and insurance companies to automate data entry from statements, applications, and claims forms submitted as PDFs.
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ShippingRates API
Freemium
ShippingRates API provides real-time shipping cost calculations and delivery time estimates across multiple carriers from a single integration, automatically selecting the optimal carrier based on package dimensions, destination, and delivery speed requirements. E-commerce platforms use the API at checkout to display accurate shipping options without maintaining separate integrations for each carrier.
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SignatureVerify API
Paid
SignatureVerify API authenticates handwritten signatures on scanned documents by comparing them against reference signatures on file, returning a match confidence score along with details about specific characteristics analyzed. Banks and legal document processors use the API to flag potentially forged signatures for manual review while allowing straightforward matches to proceed automatically.
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AddressValidate API
Freemium
AddressValidate API standardizes and verifies postal addresses against authoritative postal databases globally, correcting common formatting errors and flagging addresses that don't appear to be deliverable. E-commerce checkout flows integrate AddressValidate to reduce failed deliveries caused by incomplete or incorrectly formatted shipping addresses entered by customers.
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SentimentStream API
Paid
SentimentStream API processes high-volume text streams in real time to return sentiment classifications with sub-second latency, designed for applications monitoring social media firehoses or live chat where immediate response to negative sentiment matters. The API supports custom sentiment categories beyond positive/negative/neutral for domain-specific applications like financial sentiment.
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QRGenerate API
Freemium
QRGenerate API creates customizable QR codes with embedded branding, dynamic destination URLs that can be updated after printing, and scan analytics showing when and where codes are scanned. Marketing teams use the API to generate trackable QR codes for print campaigns at scale, with the ability to redirect codes to different landing pages without reprinting materials.
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WeatherAlert API
Freemium
WeatherAlert API delivers severe weather warnings and forecast data filtered to specific geographic radii, with webhook notifications triggered when conditions cross thresholds relevant to outdoor businesses like construction sites or event venues. The API aggregates data from multiple meteorological sources to improve accuracy in regions where single-source forecasts are less reliable.
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LanguageDetect API
Free
LanguageDetect API identifies the language of input text with high accuracy even for short snippets and mixed-language content, returning confidence scores for the top candidate languages detected. Content moderation and routing systems use the API to direct text to appropriate language-specific processing pipelines before further analysis occurs.
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ImageCompress API
Freemium
ImageCompress API reduces image file sizes through intelligent compression that preserves visual quality at thresholds appropriate for web delivery, automatically selecting optimal formats like WebP or AVIF based on browser support detected from request headers. Websites integrate the API to improve page load performance without manually optimizing every uploaded image.
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TaxRateLookup API
Freemium
TaxRateLookup API returns accurate sales tax rates for any address in real time, accounting for state, county, city, and special district taxes that vary significantly even within small geographic areas. E-commerce platforms integrate the API at checkout to ensure tax compliance across thousands of jurisdictions without maintaining their own constantly-changing tax rate tables.
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FaceDetect API
Freemium
FaceDetect API identifies the presence, position, and basic attributes of faces within images without performing facial recognition or identity matching, designed for privacy-conscious applications like automatic photo cropping, content moderation for inappropriate facial content, and accessibility features. The API explicitly avoids identity-related processing to simplify privacy compliance for integrators.
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