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grist.tools: color-palette-extract

x402media/images402 seen 2026-10-24

Pay-per-call endpoint from grist.tools. Price per call: $0.0030 (USDC, x402).

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Proof

endpoint (shown as text, not a link, to avoid accidental calls): https://grist.tools/v1/color-palette-extract
“HTTP 402 + x402 v2 challenge: amount 3000 atomic units of USD Coin (= $0.003)”
source: grist.tools/v1/color-palette-extract
“Extracts an image's dominant colours as a small palette (hex, RGB and coverage fraction).”
source: grist.tools/openapi.json

Details

Price per call
$0.0030 (USDC, x402)
Provider
grist.tools
Protocol
x402 · USDC (Base)
Method
POST
Price basis
USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
Last probed
2026-10-24

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