tanod.dev
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The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "Payment required (USD 0.001 base price shown). This route takes POST with a JSON body (input schema in extensions.bazaar); the 402 of a POST quotes the exact price. Free tier (opt-in): 10 utilpeek calls (FX rates, QR codes, geocoding, public holidays, phone numbers, identifier checks, user agents, cron, time zones, URLs and barcodes, shared) per IP per UTC day with header X-Tanod-Free: 1 (no payment needed).",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"amount": "1000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"amount": "1000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"amount": "1000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://tanod.dev/v1/color/convert",
"tags": [
"utilpeek",
"color",
"convert",
"fx-rates",
"qr-code"
],
"iconUrl": "https://tanod.dev/icon.png",
"mimeType": "application/json",
"description": "utilpeek (Tanod) color conversion (hex, RGB, HSL, HSV, CMYK, OKLCH) and WCAG 2.x contrast check (AA / AAA). Use when an agent must convert a color between hex, RGB, HSL, CMYK and OKLCH, or check WCAG contrast.",
"serviceName": "Tanod utilpeek"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"color": "#777",
"background": "white"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"color": {
"hex": "#777777",
"hsl": {
"h": 0,
"l": 46.67,
"s": 0,
"css": "hsl(0 0% 46.67%)"
},
"hsv": {
"h": 0,
"s": 0,
"v": 46.67
},
"rgb": {
"b": 119,
"g": 119,
"r": 119,
"css": "rgb(119 119 119)"
},
"cmyk": {
"c": 0,
"k": 53.33,
"m": 0,
"y": 0,
"note": "naive RGB to CMYK formula (no ICC profile, no ink limits): not a print proof"
},
"hex8": "#777777ff",
"alpha": 1,
"names": [],
"oklch": {
"c": 0,
"h": null,
"l": 0.5693,
"css": "oklch(56.93% 0 none)"
},
"relative_luminance": 0.184475
},
"contrast": {
"note": "WCAG 2.x contrast; pass/fail compares the unrounded ratio. Large text: at least 18 pt (24 px), or 14 pt (about 18.7 px) bold. Thresholds: AA 4.5 normal / 3 large, AAA 7 / 4.5, UI components and graphics 3 (SC 1.4.11).",
"ratio": 4.48,
"composited": false,
"ratio_text": "4.48:1",
"aa_large_text": true,
"aa_normal_text": false,
"aaa_large_text": false,
"aaa_normal_text": false,
"ratio_unrounded": 4.478089,
"aa_ui_components": true
},
"background": {
"hex": "#ffffff",
"hsl": {
"h": 0,
"l": 100,
"s": 0,
"css": "hsl(0 0% 100%)"
},
"hsv": {
"h": 0,
"s": 0,
"v": 100
},
"rgb": {
"b": 255,
"g": 255,
"r": 255,
"css": "rgb(255 255 255)"
},
"cmyk": {
"c": 0,
"k": 0,
"m": 0,
"y": 0,
"note": "naive RGB to CMYK formula (no ICC profile, no ink limits): not a print proof"
},
"hex8": "#ffffffff",
"alpha": 1,
"names": [
"white"
],
"oklch": {
"c": 0,
"h": null,
"l": 1,
"css": "oklch(100% 0 none)"
},
"relative_luminance": 1
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"color"
],
"properties": {
"color": {
"type": "string",
"maxLength": 64,
"minLength": 1,
"description": "A CSS color: hex (#rgb, #rgba, #rrggbb, #rrggbbaa), rgb() / rgba(), hsl() / hsla() or a CSS color name (148 names, plus transparent)."
},
"background": {
"anyOf": [
{
"type": "string",
"maxLength": 64,
"minLength": 1
},
{
"type": "null"
}
],
"default": null,
"description": "Optional second color (e.g. the background): adds the WCAG 2.x contrast ratio and AA / AAA pass / fail."
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"color"
],
"properties": {
"color": {
"type": "object",
"properties": {
"hex": {
"type": "string"
},
"hsl": {
"type": "object",
"properties": {
"h": {
"type": "number"
},
"l": {
"type": "number"
},
"s": {
"type": "number"
},
"css": {
"type": "string"
}
}
},
"hsv": {
"type": "object",
"properties": {
"h": {
"type": "number"
},
"s": {
"type": "number"
},
"v": {
"type": "number"
}
}
},
"rgb": {
"type": "object",
"properties": {
"b": {
"type": "integer"
},
"g": {
"type": "integer"
},
"r": {
"type": "integer"
},
"css": {
"type": "string"
}
}
},
"cmyk": {
"type": "object",
"properties": {
"c": {
"type": "number"
},
"k": {
"type": "number"
},
"m": {
"type": "number"
},
"y": {
"type": "number"
},
"note": {
"type": "string"
}
}
},
"hex8": {
"type": "string"
},
"alpha": {
"type": "number"
},
"names": {
"type": "array",
"items": {
"type": "string"
}
},
"oklch": {
"type": "object",
"properties": {
"c": {
"type": "number"
},
"h": {
"type": [
"number",
"null"
]
},
"l": {
"type": "number"
},
"css": {
"type": "string"
}
}
},
"relative_luminance": {
"type": "number"
}
}
},
"contrast": {
"type": "object",
"properties": {
"note": {
"type": "string"
},
"ratio": {
"type": "number"
},
"composited": {
"type": "boolean"
},
"ratio_text": {
"type": "string"
},
"aa_large_text": {
"type": "boolean"
},
"aa_normal_text": {
"type": "boolean"
},
"aaa_large_text": {
"type": "boolean"
},
"aaa_normal_text": {
"type": "boolean"
},
"ratio_unrounded": {
"type": "number"
},
"aa_ui_components": {
"type": "boolean"
}
}
},
"background": {
"type": "object",
"properties": {
"hex": {
"type": "string"
},
"hsl": {
"type": "object",
"properties": {
"h": {
"type": "number"
},
"l": {
"type": "number"
},
"s": {
"type": "number"
},
"css": {
"type": "string"
}
}
},
"hsv": {
"type": "object",
"properties": {
"h": {
"type": "number"
},
"s": {
"type": "number"
},
"v": {
"type": "number"
}
}
},
"rgb": {
"type": "object",
"properties": {
"b": {
"type": "integer"
},
"g": {
"type": "integer"
},
"r": {
"type": "integer"
},
"css": {
"type": "string"
}
}
},
"cmyk": {
"type": "object",
"properties": {
"c": {
"type": "number"
},
"k": {
"type": "number"
},
"m": {
"type": "number"
},
"y": {
"type": "number"
},
"note": {
"type": "string"
}
}
},
"hex8": {
"type": "string"
},
"alpha": {
"type": "number"
},
"names": {
"type": "array",
"items": {
"type": "string"
}
},
"oklch": {
"type": "object",
"properties": {
"c": {
"type": "number"
},
"h": {
"type": [
"number",
"null"
]
},
"l": {
"type": "number"
},
"css": {
"type": "string"
}
}
},
"relative_luminance": {
"type": "number"
}
}
}
}
}
}
}
}
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"a": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "App builder code"
},
"s": {
"type": "array",
"items": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$"
},
"maxItems": 11,
"description": "Service builder codes"
},
"w": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "Wallet builder code"
}
},
"additionalProperties": false
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.001 USDC on Base to 0x5938…41720. The signed payment is good for 5 minutes.
- Paid to
- 0x5938…41720
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 1000 smallest units
- Returns
- application/json
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 0x5938…41720
- Token contract
- 0x3c49…c3359
- Payment window
- 5 minutes
- Returns
- application/json
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact",
"network": "eip155:8453",
"mimeType": "application/json",
"resource": "https://tanod.dev/v1/color/convert",
"description": "",
"maxAmountRequired": "1000",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact",
"network": "eip155:137",
"mimeType": "application/json",
"resource": "https://tanod.dev/v1/color/convert",
"description": "",
"maxAmountRequired": "1000",
"maxTimeoutSeconds": 300
}
]Provenance
- Seen in the source catalog
- 2026-10-09 03:40Z
- Last indexed by Roundhouse
- 2026-10-25 23:16Z
- Last enriched (probe, favicon, geo)
- 2026-10-10 16:45Z
- x402 version
- 1
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 25 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service tanod.dev and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=tanod.dev' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://tanod.dev/v1/color/convert, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.