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Connect Obsidex to ChatGPT, Zapier, or your custom infrastructure via our high-performance REST interface.
The Obsidex API is built on standard HTTP protocols. Send JSON, receive vectors or high-resolution rasters.
curl -X POST https://api.obsidex.ai/v1/render \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"text": "Authorized Signature",
"style": "FLOW",
"ink": "blue",
"format": "png"
}'Enable ChatGPT to "write" by hand. Use our OpenAPI schema to create a custom GPT that synthesizes authentic documents.
Go to ChatGPT > Explore GPTs > Create.
Under "Configure", find "Actions" and click "Create new action".
Paste the Obsidex OpenAPI URL: https://obsidex.ai/openapi.yaml
Under Authentication, select "Bearer" and paste your Obsidex API Key.
In your GPT instructions, add: "When I ask for a signed document or handwriting, use the Obsidex render action to generate the image."
/v1/renderSynthesize text into strokes (SVG, PNG, PDF)
/v1/stylesList available neural engines and fonts
/v1/usageRetrieve real-time quota metrics
Authorization: Bearer obx_live_...All requests must be encrypted via TLS. Production keys are limited to Pro and Enterprise accounts.
Generate API KeyMax File Size
Applies to PDF, DOCX, XLSX uploads.
Max Text Input
Per single render request.
OCR Page Limit
For scanned/image-based PDFs.
Rate Limit
Higher limits for Enterprise keys.
Fluid Cursive
Natural pen-and-paper jitter
Technical Print
Precise, draft-ready strokes
Rapid Script
Aggressive slants and quick lifts