Settlement runs daily at 00:00 UTC, in USDC. A balance ≥ 1 USDC is paid at the next run (within 24h). A balance below 1 USDC carries over and accumulates across days until it reaches 1 USDC, then it's paid.

Integrations

curl · Python · Node · raw HTTP.

Multi-chain

CCTP V2 · Mayan fallback · six chains.

AP2

Google Agent Payments Protocol.

Buy-side

402 flow · wallet · X-Payment.

Sell-side

Keys

Issue · list · revoke · scopes.

Account

Unified balance · withdrawable.

OpenAPI159

Machine-readable spec.

llms.txt

LLM-readable index · agent onboarding.

POST

Generate an image from a text prompt with configurable aspect ratio, format, and safety level. Powered by Google Imagen 4 on Replicate

/v1/image/generate/imagen-4

Request → Response

Examples from schemas.json.

Requestapplication/json

POST /v1/image/generate/imagen-4
Content-Type: application/json

{
  "prompt": "Summarize this text in one sentence.",
  "aspect_ratio": "1:1",
  "output_format": "jpg",
  "safety_filter_level": "block_only_high"
}

Responseapplication/json

HTTP/1.1 200 OK
Content-Type: application/json

// Endpoint-specific body after 402 settlement

Overview

Generate an image from a text prompt with configurable aspect ratio, format, and safety level. Powered by Google Imagen 4 on Replicate.

Technology company behind Imagen, Veo, and Safe Browsing.

Request schema

Body: JSON · application/json

Field	Type		Description
prompt	string	required	—
aspect_ratio	string	required	enum: 1:1, 3:4, 4:3, 9:16, 16:9
output_format	string	required	enum: jpg, png
safety_filter_level	string	required	enum: block_only_high, block_medium_and_above, block_low_and_above

IMPLEMENTATION

curl -X POST https://api.tools402.dev/v1/image/generate/imagen-4 \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "Summarize this text in one sentence.",
  "aspect_ratio": "1:1",
  "output_format": "jpg",
  "safety_filter_level": "block_only_high"
}'

402 payment flow omitted — see Integrations for settlement.