Artifact Inspector
JSON Web Key (JWK) inspector — validate bounded public RSA, EC, or Ed25519 keys and calculate RFC 7638 SHA-256 thumbprints without ownership or trust claims.
Offering
- Provider
- artifact-inspector.use.x402atlas.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Security
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://artifact-inspector.use.x402atlas.com/jwk- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:06.715Z
- Last seen
- Tags
- jwk-inspect, json-web-key, public-key, rfc7638, thumbprint
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.005 USDC
Atomic price: 5000 · Network: eip155:137 · Asset: USDC · Scheme: exact - Payment option 3
- 0.005 USDC
Atomic price: 5000 · Network: eip155:42161 · Asset: USDC · Scheme: exact - Payment option 4
- 0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:137",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:42161",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "5000",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ"
}
]Observed health
- Status
- Reachable
- Latest latency
- 11 ms
- Average latency
- 13 ms
- HTTP status
- 405
- Last checked
- Reachability
- 100% over 12 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"jwk": {
"additionalProperties": false,
"description": "One supported public signing JWK with no private material",
"oneOf": [
{
"not": {
"anyOf": [
{
"required": [
"crv"
]
},
{
"required": [
"x"
]
},
{
"required": [
"y"
]
}
]
},
"properties": {
"kty": {
"const": "RSA"
}
},
"required": [
"n",
"e"
]
},
{
"not": {
"anyOf": [
{
"required": [
"n"
]
},
{
"required": [
"e"
]
}
]
},
"properties": {
"kty": {
"const": "EC"
}
},
"required": [
"crv",
"x",
"y"
]
},
{
"not": {
"anyOf": [
{
"required": [
"n"
]
},
{
"required": [
"e"
]
},
{
"required": [
"y"
]
}
]
},
"properties": {
"kty": {
"const": "OKP"
}
},
"required": [
"crv",
"x"
]
}
],
"properties": {
"alg": {
"description": "Optional advertised signing algorithm, checked for key compatibility but not endorsed",
"type": "string"
},
"crv": {
"description": "EC or OKP curve",
"enum": [
"P-256",
"P-384",
"P-521",
"Ed25519"
],
"type": "string"
},
"e": {
"description": "RSA exponent as canonical base64urlUInt",
"type": "string"
},
"key_ops": {
"description": "Optional singleton verify operation",
"items": {
"const": "verify",
"description": "Public verification operation",
"type": "string"
},
"maxItems": 1,
"minItems": 1,
"type": "array"
},
"kid": {
"description": "Optional nonempty public key identifier; unique within a set",
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"kty": {
"description": "Supported public key type",
"enum": [
"RSA",
"EC",
"OKP"
],
"type": "string"
},
"n": {
"description": "RSA modulus as canonical base64urlUInt",
"type": "string"
},
"use": {
"const": "sig",
"description": "Optional signing-key use",
"type": "string"
},
"x": {
"description": "Canonical base64url x coordinate or Ed25519 public bytes",
"type": "string"
},
"x5c": {
"description": "Untrusted certificate strings; never parsed or trusted",
"items": {
"description": "Base64 certificate metadata",
"type": "string"
},
"maxItems": 8,
"type": "array"
},
"x5t": {
"description": "Untrusted SHA-1 certificate thumbprint metadata",
"type": "string"
},
"x5t#S256": {
"description": "Untrusted SHA-256 certificate thumbprint metadata",
"type": "string"
},
"x5u": {
"description": "Untrusted certificate URL metadata; never fetched",
"type": "string"
},
"y": {
"description": "Canonical base64url EC y coordinate",
"type": "string"
}
},
"required": [
"kty"
],
"type": "object"
}
},
"required": [
"jwk"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}Output schema
{
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"_atlas": {
"additionalProperties": false,
"description": "Atlas documentation and related-route metadata added after deployment",
"properties": {
"docs": {
"description": "Documentation URL for this bridge",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"related": {
"description": "Bounded related Atlas routes",
"items": {
"additionalProperties": false,
"description": "One related Atlas route",
"properties": {
"bridge": {
"description": "Related bridge name",
"maxLength": 64,
"type": "string"
},
"docs": {
"description": "Related bridge documentation URL",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"summary": {
"description": "Short capability summary",
"maxLength": 256,
"type": "string"
},
"url": {
"description": "Related route URL",
"format": "uri",
"maxLength": 512,
"type": "string"
}
},
"required": [
"bridge",
"url",
"docs",
"summary"
],
"type": "object"
},
"maxItems": 3,
"type": "array"
}
},
"required": [
"docs"
],
"type": "object"
},
"algorithm_version": {
"const": "rfc7638-public-jwk-inspect-v1",
"description": "Pinned public JWK and thumbprint contract",
"type": "string"
},
"key_count": {
"description": "Number of validated public keys",
"maximum": 32,
"minimum": 1,
"type": "integer"
},
"keys": {
"description": "Normalized public key metadata and thumbprints",
"items": {
"additionalProperties": false,
"description": "Normalized validated public JWK metadata",
"properties": {
"alg": {
"description": "Compatible advertised algorithm or empty; not a security endorsement",
"type": "string"
},
"bits": {
"description": "Validated public key or curve bit size",
"maximum": 8192,
"minimum": 256,
"type": "integer"
},
"curve": {
"description": "Validated curve or empty for RSA",
"type": "string"
},
"key_ops": {
"description": "Validated public operations",
"items": {
"description": "verify operation",
"type": "string"
},
"maxItems": 1,
"type": "array"
},
"kid": {
"description": "Public key identifier or empty",
"type": "string"
},
"kty": {
"description": "Validated key type",
"type": "string"
},
"thumbprint_sha256": {
"description": "RFC 7638 SHA-256 JWK Thumbprint in base64url form",
"pattern": "^[A-Za-z0-9_-]{43}$",
"type": "string"
},
"use": {
"description": "Validated sig use or empty",
"type": "string"
},
"warnings": {
"description": "Key-local certificate URL/chain handling warnings",
"items": {
"description": "Human-readable warning",
"type": "string"
},
"maxItems": 8,
"type": "array"
}
},
"required": [
"kty",
"kid",
"use",
"key_ops",
"alg",
"curve",
"bits",
"thumbprint_sha256",
"warnings"
],
"type": "object"
},
"maxItems": 32,
"minItems": 1,
"type": "array"
},
"kind": {
"description": "Selected request branch",
"enum": [
"single",
"set"
],
"type": "string"
},
"operation": {
"const": "jwk-inspect",
"description": "Stable operation name",
"type": "string"
},
"warnings": {
"description": "Route-level trust and suitability limitations",
"items": {
"description": "Human-readable warning",
"type": "string"
},
"maxItems": 8,
"type": "array"
}
},
"required": [
"operation",
"algorithm_version",
"kind",
"key_count",
"keys",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}