{ "x402Version": 2, "id": 36560, "slug": "36560", "resource": "https://attest.tollkit.dev/attest", "description": "Signed proof of what a web page said: give a URL, get its text, screenshot and TLS details with a timestamped cryptographic signature anyone can verify.", "type": "http", "serviceName": "Web Page Proof (Signed)", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791089541/bazaar-icons/6490ef4ad700a0e0.png", "resourceType": "Beauty & Personal Care", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0xBbfCE2D320dE6aB328Ba93A771c531ebFC9cE704", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "50000", "amountUsd": 0.05, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "HBasGEGD1szEkNCWckRoZg2vZGhzt7yLSixLgSHi3gYf", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "50000", "amountUsd": 0.05, "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "$schema": "https://json-schema.org/draft/2020-12/schema", "description": "A signed, timestamped record of what a page contained. The `attestation` object is the evidence; `content` holds the bytes its hashes are over. Store the whole response — this service keeps no copy, by design, so that the record cannot be altered or withdrawn later.", "properties": { "attestation": { "properties": { "algorithm": { "type": "string" }, "claim": { "description": "Exactly what was signed. Re-serialize this with sorted keys and no whitespace, keccak256 it, and you get `digest`.", "properties": { "attestedBy": { "description": "Signer address, inside the signed payload.", "type": "string" }, "capturedAt": { "description": "ISO 8601 render time.", "type": "string" }, "finalUrl": { "description": "Where the browser ended up.", "type": "string" }, "headers": { "description": "Lowercased, sorted; set-cookie removed.", "type": "object" }, "httpStatus": { "type": "integer" }, "redirected": { "type": "boolean" }, "remoteAddress": { "description": "IP that served it.", "type": [ "string", "null" ] }, "screenshotSha256": { "type": [ "string", "null" ] }, "textLength": { "type": "integer" }, "textSha256": { "type": "string" }, "title": { "type": [ "string", "null" ] }, "tlsIssuer": { "type": [ "string", "null" ] }, "tlsSubject": { "type": [ "string", "null" ] }, "tlsValidFrom": { "type": [ "string", "null" ] }, "tlsValidTo": { "type": [ "string", "null" ] }, "url": { "description": "The URL as submitted.", "type": "string" }, "version": { "type": "integer" } }, "type": "object" }, "digest": { "description": "keccak256 of the canonical claim.", "type": "string" }, "signature": { "description": "EIP-191 personal_sign over the digest.", "type": "string" }, "signer": { "type": "string" } }, "required": [ "claim", "digest", "signature", "signer" ], "type": "object" }, "content": { "properties": { "screenshotBase64": { "type": [ "string", "null" ] }, "screenshotMimeType": { "type": [ "string", "null" ] }, "text": { "type": "string" }, "textTruncated": { "type": "boolean" } }, "type": "object" }, "verify": { "description": "Free, unauthenticated verification endpoint.", "type": "string" } }, "required": [ "attestation", "content" ], "type": "object" } }, "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "url": "https://fly.io/pricing" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "attestation": { "algorithm": "EIP-191 personal_sign over keccak256(canonical JSON)", "claim": { "attestedBy": "0x… (signer address)", "capturedAt": "2026-10-04T12:00:00.000Z", "finalUrl": "https://fly.io/pricing/", "headers": { "content-type": "text/html; charset=utf-8" }, "httpStatus": 200, "redirected": true, "remoteAddress": "IP that served the page", "screenshotSha256": "sha256 hex of the screenshot bytes", "textLength": 9312, "textSha256": "sha256 hex of content.text", "title": "Fly.io Pricing", "tlsIssuer": "TLS certificate issuer", "tlsSubject": "fly.io", "tlsValidFrom": "certificate start date", "tlsValidTo": "certificate end date", "url": "https://fly.io/pricing", "version": 1 }, "digest": "0x… keccak256 of the canonical claim", "signature": "0x… EIP-191 signature over the digest", "signer": "0x… (signer address)" }, "content": { "screenshotBase64": "/9j/4AAQSkZJRgABAQ… (full JPEG, base64)", "screenshotMimeType": "image/jpeg", "text": "The page's visible text, exactly as hashed in textSha256…", "textTruncated": false }, "verify": "https://attest.tollkit.dev/attest/verify" }, "type": "json" } }, "schema": { "properties": { "input": { "properties": { "body": { "properties": { "screenshot": { "default": true, "description": "Capture and hash a screenshot. On by default — an attestation without one is much weaker evidence. Turn it off for a faster, text-only record.", "type": "boolean" }, "url": { "description": "Absolute https:// URL of the page to attest to. Anything a dispute could turn on: terms of service, a price, a published policy, a competitor's claim, a listing that may be edited later.", "format": "uri", "type": "string" } }, "required": [ "url" ], "type": "object" }, "bodyType": { "enum": [ "json" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "body" ], "type": "object" }, "output": { "properties": { "example": { "$schema": "https://json-schema.org/draft/2020-12/schema", "description": "A signed, timestamped record of what a page contained. The `attestation` object is the evidence; `content` holds the bytes its hashes are over. Store the whole response — this service keeps no copy, by design, so that the record cannot be altered or withdrawn later.", "properties": { "attestation": { "properties": { "algorithm": { "type": "string" }, "claim": { "description": "Exactly what was signed. Re-serialize this with sorted keys and no whitespace, keccak256 it, and you get `digest`.", "properties": { "attestedBy": { "description": "Signer address, inside the signed payload.", "type": "string" }, "capturedAt": { "description": "ISO 8601 render time.", "type": "string" }, "finalUrl": { "description": "Where the browser ended up.", "type": "string" }, "headers": { "description": "Lowercased, sorted; set-cookie removed.", "type": "object" }, "httpStatus": { "type": "integer" }, "redirected": { "type": "boolean" }, "remoteAddress": { "description": "IP that served it.", "type": [ "string", "null" ] }, "screenshotSha256": { "type": [ "string", "null" ] }, "textLength": { "type": "integer" }, "textSha256": { "type": "string" }, "title": { "type": [ "string", "null" ] }, "tlsIssuer": { "type": [ "string", "null" ] }, "tlsSubject": { "type": [ "string", "null" ] }, "tlsValidFrom": { "type": [ "string", "null" ] }, "tlsValidTo": { "type": [ "string", "null" ] }, "url": { "description": "The URL as submitted.", "type": "string" }, "version": { "type": "integer" } }, "type": "object" }, "digest": { "description": "keccak256 of the canonical claim.", "type": "string" }, "signature": { "description": "EIP-191 personal_sign over the digest.", "type": "string" }, "signer": { "type": "string" } }, "required": [ "claim", "digest", "signature", "signer" ], "type": "object" }, "content": { "properties": { "screenshotBase64": { "type": [ "string", "null" ] }, "screenshotMimeType": { "type": [ "string", "null" ] }, "text": { "type": "string" }, "textTruncated": { "type": "boolean" } }, "type": "object" }, "verify": { "description": "Free, unauthenticated verification endpoint.", "type": "string" } }, "required": [ "attestation", "content" ], "type": "object" } }, "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "proof", "evidence", "notary", "archive", "screenshot", "bazaar" ], "sourceHost": "attest.tollkit.dev", "lastUpdated": "2026-10-09T15:17:47.74Z", "quality": { "calls30d": 4, "uniquePayers30d": 2, "lastCalledAt": "2026-10-09T15:17:47.413Z" }, "metadata": { "serviceName": "Web Page Proof (Signed)", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791089541/bazaar-icons/6490ef4ad700a0e0.png", "extensions": { "bazaar": { "info": { "input": { "body": { "url": "https://fly.io/pricing" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "attestation": { "algorithm": "EIP-191 personal_sign over keccak256(canonical JSON)", "claim": { "attestedBy": "0x… (signer address)", "capturedAt": "2026-10-04T12:00:00.000Z", "finalUrl": "https://fly.io/pricing/", "headers": { "content-type": "text/html; charset=utf-8" }, "httpStatus": 200, "redirected": true, "remoteAddress": "IP that served the page", "screenshotSha256": "sha256 hex of the screenshot bytes", "textLength": 9312, "textSha256": "sha256 hex of content.text", "title": "Fly.io Pricing", "tlsIssuer": "TLS certificate issuer", "tlsSubject": "fly.io", "tlsValidFrom": "certificate start date", "tlsValidTo": "certificate end date", "url": "https://fly.io/pricing", "version": 1 }, "digest": "0x… keccak256 of the canonical claim", "signature": "0x… EIP-191 signature over the digest", "signer": "0x… (signer address)" }, "content": { "screenshotBase64": "/9j/4AAQSkZJRgABAQ… (full JPEG, base64)", "screenshotMimeType": "image/jpeg", "text": "The page's visible text, exactly as hashed in textSha256…", "textTruncated": false }, "verify": "https://attest.tollkit.dev/attest/verify" }, "type": "json" } }, "schema": { "properties": { "input": { "properties": { "body": { "properties": { "screenshot": { "default": true, "description": "Capture and hash a screenshot. On by default — an attestation without one is much weaker evidence. Turn it off for a faster, text-only record.", "type": "boolean" }, "url": { "description": "Absolute https:// URL of the page to attest to. Anything a dispute could turn on: terms of service, a price, a published policy, a competitor's claim, a listing that may be edited later.", "format": "uri", "type": "string" } }, "required": [ "url" ], "type": "object" }, "bodyType": { "enum": [ "json" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "body" ], "type": "object" }, "output": { "properties": { "example": { "$schema": "https://json-schema.org/draft/2020-12/schema", "description": "A signed, timestamped record of what a page contained. The `attestation` object is the evidence; `content` holds the bytes its hashes are over. Store the whole response — this service keeps no copy, by design, so that the record cannot be altered or withdrawn later.", "properties": { "attestation": { "properties": { "algorithm": { "type": "string" }, "claim": { "description": "Exactly what was signed. Re-serialize this with sorted keys and no whitespace, keccak256 it, and you get `digest`.", "properties": { "attestedBy": { "description": "Signer address, inside the signed payload.", "type": "string" }, "capturedAt": { "description": "ISO 8601 render time.", "type": "string" }, "finalUrl": { "description": "Where the browser ended up.", "type": "string" }, "headers": { "description": "Lowercased, sorted; set-cookie removed.", "type": "object" }, "httpStatus": { "type": "integer" }, "redirected": { "type": "boolean" }, "remoteAddress": { "description": "IP that served it.", "type": [ "string", "null" ] }, "screenshotSha256": { "type": [ "string", "null" ] }, "textLength": { "type": "integer" }, "textSha256": { "type": "string" }, "title": { "type": [ "string", "null" ] }, "tlsIssuer": { "type": [ "string", "null" ] }, "tlsSubject": { "type": [ "string", "null" ] }, "tlsValidFrom": { "type": [ "string", "null" ] }, "tlsValidTo": { "type": [ "string", "null" ] }, "url": { "description": "The URL as submitted.", "type": "string" }, "version": { "type": "integer" } }, "type": "object" }, "digest": { "description": "keccak256 of the canonical claim.", "type": "string" }, "signature": { "description": "EIP-191 personal_sign over the digest.", "type": "string" }, "signer": { "type": "string" } }, "required": [ "claim", "digest", "signature", "signer" ], "type": "object" }, "content": { "properties": { "screenshotBase64": { "type": [ "string", "null" ] }, "screenshotMimeType": { "type": [ "string", "null" ] }, "text": { "type": "string" }, "textTruncated": { "type": "boolean" } }, "type": "object" }, "verify": { "description": "Free, unauthenticated verification endpoint.", "type": "string" } }, "required": [ "attestation", "content" ], "type": "object" } }, "type": "object" } }, "required": [ "input" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "attest.tollkit.dev", "manifest_name": "attest.tollkit.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "attestation": { "algorithm": "string", "claim": { "attestedBy": "string", "capturedAt": "string", "finalUrl": "string", "headers": {}, "httpStatus": 0, "redirected": true, "remoteAddress": "string", "screenshotSha256": "string", "textLength": 0, "textSha256": "string", "title": "string", "tlsIssuer": "string", "tlsSubject": "string", "tlsValidFrom": "string", "tlsValidTo": "string", "url": "string", "version": 0 }, "digest": "string", "signature": "string", "signer": "string" }, "content": { "screenshotBase64": "string", "screenshotMimeType": "string", "text": "string", "textTruncated": true }, "verify": "string" } } }