Image to Text OCR API (API Ninjas)

Image & Document Processing · Artificial Intelligence

Fast optical character recognition (OCR) API extracting text and coordinates from uploaded images

Image to Text OCR API (API Ninjas) Highlights

Image to Text OCR API (API Ninjas) is best for developers, accounting SaaS, and productivity apps needing fast image text extraction (OCR)

Last Verified

Authentication

API Key (X-Api-Key header)

Rate Limit

Free tier: up to 50,000 calls/month; 5 req/sec burst limit

Sandbox Mode
✓ Available
Webhooks
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Supported Regions
NigeriaNigeriaGhanaGhanaKenyaKenya
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The Image-to-Text (OCR) API by API Ninjas extracts printed and typed text from uploaded images, scanned documents, receipts, business cards, and signs. Powered by optimized optical character recognition models, the API processes image files (JPG, PNG) and returns structured JSON containing extracted text strings and spatial bounding coordinates.

For Nigerian developers building expense management tools, receipt scanners, invoice digitizers, or automated KYC document readers, this API provides lightweight, high-speed OCR capabilities with 50,000 free monthly requests.

Image to Text OCR API (API Ninjas) Core Features & Capabilities

FeatureStatusDescription & Capabilities
Image Processing & Editing✓ SupportedProvides native Image Processing & Editing capabilities integrated within the API.
OCR / Text Extraction from Documents✓ SupportedProvides native OCR / Text Extraction from Documents capabilities integrated within the API.
Batch / Bulk Processing✓ SupportedProvides native Batch / Bulk Processing capabilities integrated within the API.
PDF Generation / Conversion✗ Not SupportedPDF Generation / Conversion is currently not supported by Image to Text OCR API (API Ninjas).
HTML-to-PDF Rendering✗ Not SupportedHTML-to-PDF Rendering is currently not supported by Image to Text OCR API (API Ninjas).
Background Removal✗ Not SupportedBackground Removal is currently not supported by Image to Text OCR API (API Ninjas).
QR Code Generation✗ Not SupportedQR Code Generation is currently not supported by Image to Text OCR API (API Ninjas).
Document Annotation & Redaction✗ Not SupportedDocument Annotation & Redaction is currently not supported by Image to Text OCR API (API Ninjas).
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API Pricing Model
  • Free tier includes up to 50,000 API requests per month with an API key
  • Paid plans from $10/month

Required Access Documents for Image to Text OCR API (API Ninjas)

  • API Ninjas AccountRequired
    Register at api-ninjas.com to obtain your API key

Different Image to Text OCR API (API Ninjas) use cases

  • Receipt Expense Digitization:Allow mobile app users to photograph receipts and extract merchant names and totals automatically.
  • Business Card Contact Importers:Convert photo snapshots of paper business cards into digital contact records.
  • Automated Utility Bill Scanning:Extract account numbers and amounts due from photographed electricity bills for payment forms.

Image to Text OCR API (API Ninjas) Alternatives