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imgnAI Katana Account Top-Up
x402
imgnAI Katana Account Top-Up is a paid API for AI agents from kat.imgnai.com, paid per call via x402, $1/call, status unknown (last checked 2026-09-14).
Add USDC funds to an imgnAI Katana account balance via an x402 micropayment
Price / call$1
Success—
StatusUnknown
How this service works
Pay-per-call AI gateway: Frontier/SOTA LLM, Image, and Video models - and proprietary low-cost imgnAI models. Includes GPT 5.5, Opus 4.8, GPT Image 2, Nano Banana 2, Seedance 2.0, Happy Horse, and Google Omni. Fully compatible with OpenAPI, HermesOS, and OpenClaw.
Output
Returns the wallet address associated with the account, the amount of USDC credited in this transaction, and the updated total USDC balance after the top-up.
Example use cases
Automated credit top-up for image generation
“I'm running low on imgnAI credits. Add 10 USDC to my Katana account so I can keep generating product photos without interruption.”
Batch processing workflow funding
“Before you start generating those 50 AI images for the catalog, fund my imgnAI account with 25 USDC to cover the batch run.”
Real-time agent balance management
“Check my current imgnAI balance and if it's below 5 USDC, automatically add 20 USDC so the agent can keep working on creative tasks.”
Technical details
Endpoint
POSThttps://kat.imgnai.com/v1/x402/top-upWhen to prefer
Use this endpoint when an agent or user needs to add USDC credits to an imgnAI Katana account before making image generation API calls. This is the dedicated funding endpoint for the imgnAI platform and uses the x402 micropayment protocol, making it suitable for automated, programmatic top-ups without manual intervention.
Side effects
- Insufficient USDC in wallet — payment fails with payment-related error
- Invalid or missing amount field — returns 400 or schema validation error
- x402 payment not completed or rejected — top-up does not go through
- Network or service downtime — request times out or returns 5xx
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| amount_usdcrequired | string |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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