Canu Verify
VerificationMachine-first verification APIs for autonomous agents: deterministic MCP package security audits, isolated website and WebGL release QA, and structured invoice normalization or OCR verification with signed technical receipts.
Pay from $0.29 to $5.00 in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.
listed 2026-08-03 · no on-chain settlement recorded yet
ASSESSMENT
updated 40m agoEvidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.
reliability 100%
- uptime 24h
- -
- uptime 7d
- -
- uptime 30d
- -
- uptime 90d
- -
- response p95
- 148ms
- avg response
- 148ms
- total checks
- 1
compliance A (14/14)
14 of 14 x402 conformance checks pass. Full checklist below.
price $0.29 to $5.00 (p91 in Verification)
- price (min)
- $0.29
- price (max)
- $5.00
- category percentile (min)
- p91 in Verification
- category percentile (max)
- p99 in Verification
- endpoints / prices
- 5 / 4
- model
- tiered
- stability
- 100%
risk clean
No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.
- domain age
- 2d
- registrar
- Squarespace Domains II LLC
- hosting
- custom
- domain created
- 2026-07-31
Identity facts, not a risk score.
traction $0 30d · 0 buyers
- volume 30d
- $0
- buyers 30d
- 0
- settlements 30d
- 0
- first settlement
- ---
- last settlement
- ---
- top buyer share
- -
- trend 7d vs 30d
- -
- networks
- eip155:8453
- volume all-time
- $0
- settlements all-time
- 0
- median settlement 30d
- $0
- max settlement 30d
- $0
- settled via
- -
Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.
Top buyer share is a concentration signal, not part of the ranking score.
WHAT IT DOES
ai-derivedProvides verification and QA services for documents, audits, and WebGL releases
- category
- document-verification
- in
- body
AI-generated summary. The measured data is never altered by it.
ENDPOINTS
| METHOD | PATH | DESCRIPTION | PRICE | NETWORK | ASSET |
|---|---|---|---|---|---|
| POST | /v1/x402/services/document.invoice.verify | $0.30 | Base | USDC | |
| POST | /v1/x402/services/document.structured | $0.30 | Base | USDC | |
| POST | /v1/x402/services/mcp.audit.deep | $2.99 | Base | USDC | |
| POST | /v1/x402/services/mcp.audit.quick | $0.29 | Base | USDC | |
| POST | /v1/x402/services/release.qa.webgl | $5.00 | Base | USDC |
REQUEST / RESPONSE EXAMPLE
An unpaid request to POST /v1/x402/services/document.invoice.verify returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.
curl -i -X POST 'https://api.canuverify.com/v1/x402/services/document.invoice.verify'
// 402 response (captured by monitor) · 5 payloads · click to expand
[
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"canu": {
"serviceId": "mcp.audit.quick",
"challengeId": "pch_8dd122a72cf1a318c7af0eac9b",
"directRequestHash": "638dd86fbc70439874108a63e23c59f378a42d60e575974475172b5b78da69cf"
},
"name": "USDC",
"version": "2",
"serviceName": "Canu Verify"
},
"payTo": "0x0bac88e8B47D9F2dC38E66dB9dA4b41032d24065",
"amount": "290000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.canuverify.com/v1/x402/services/mcp.audit.quick",
"tags": [
"security",
"mcp-security-audit",
"prompt-injection-detection",
"secret-detection",
"permission-review"
],
"mimeType": "application/json",
"description": "MCP Audit Quick: Deterministic pre-install security audit for MCP, skill and package manifests. Detects prompt-injection and secret-exfiltration language, broad permissions, embedded secrets and unsafe lifecycle scripts without executing untrusted code.",
"serviceName": "Canu Verify"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"options": {},
"filename": "mcp.json",
"content_text": "{\"mcpServers\":{}}",
"content_type": "application/json",
"wait_seconds": 15
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"state": "succeeded",
"job_id": "job_mcp_audit_quick_example",
"status": "completed",
"service_id": "mcp.audit.quick"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"oneOf": [
{
"not": {
"required": [
"content_base64"
]
},
"required": [
"content_text"
]
},
{
"not": {
"required": [
"content_text"
]
},
"required": [
"content_base64",
"content_type",
"filename"
]
}
],
"properties": {
"credit": {
"type": "object",
"required": [
"scheme",
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 192,
"minLength": 1
},
"scheme": {
"const": "canu_service_credit_v1"
}
},
"description": "Closed-loop Canu Verify compensation credit; do not combine with PAYMENT-SIGNATURE or rail",
"additionalProperties": false
},
"options": {
"type": "object",
"additionalProperties": true
},
"filename": {
"type": "string",
"maxLength": 255,
"minLength": 1
},
"content_text": {
"type": "string",
"maxLength": 2000000
},
"content_type": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"wait_seconds": {
"type": "integer",
"maximum": 20,
"minimum": 0
},
"content_base64": {
"type": "string",
"maxLength": 2666671,
"contentEncoding": "base64"
}
},
"description": "Submit one paid job for mcp.audit.quick",
"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": [
"status",
"job_id",
"service_id"
],
"properties": {
"state": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"accepted",
"completed",
"failed",
"compensated",
"artifact"
]
},
"service_id": {
"type": "string"
}
},
"description": "Compact PAYMENT-REQUIRED projection; the 402 JSON body and canonical OpenAPI publish the complete response contract.",
"additionalProperties": true
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"canu": {
"serviceId": "mcp.audit.deep",
"challengeId": "pch_2a7383a57633eef0e14dd91f57",
"directRequestHash": "32f124a3f937bbbbd4657e0ea21852e21587e40be40d444ed1d8c5a1af4e540f"
},
"name": "USDC",
"version": "2",
"serviceName": "Canu Verify"
},
"payTo": "0x0bac88e8B47D9F2dC38E66dB9dA4b41032d24065",
"amount": "2990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.canuverify.com/v1/x402/services/mcp.audit.deep",
"tags": [
"security",
"mcp-deep-security",
"supply-chain-risk",
"deep-secret-analysis",
"dependency-audit"
],
"mimeType": "application/json",
"description": "MCP Audit Deep: Deep deterministic supply-chain audit for MCP and agent packages. Expands source, dependency, secret, install-script and configuration analysis with evidence-rich findings, without executing untrusted code.",
"serviceName": "Canu Verify"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"options": {},
"filename": "mcp.json",
"content_text": "{\"mcpServers\":{}}",
"content_type": "application/json",
"wait_seconds": 15
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"state": "succeeded",
"job_id": "job_mcp_audit_deep_example",
"status": "completed",
"service_id": "mcp.audit.deep"
}
}
},
"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",
"oneOf": [
{
"not": {
"required": [
"content_base64"
]
},
"required": [
"content_text"
]
},
{
"not": {
"required": [
"content_text"
]
},
"required": [
"content_base64",
"content_type",
"filename"
]
}
],
"properties": {
"credit": {
"type": "object",
"required": [
"scheme",
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 192,
"minLength": 1
},
"scheme": {
"const": "canu_service_credit_v1"
}
},
"description": "Closed-loop Canu Verify compensation credit; do not combine with PAYMENT-SIGNATURE or rail",
"additionalProperties": false
},
"options": {
"type": "object",
"additionalProperties": true
},
"filename": {
"type": "string",
"maxLength": 255,
"minLength": 1
},
"content_text": {
"type": "string",
"maxLength": 5000000
},
"content_type": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"wait_seconds": {
"type": "integer",
"maximum": 20,
"minimum": 0
},
"content_base64": {
"type": "string",
"maxLength": 6666671,
"contentEncoding": "base64"
}
},
"description": "Submit one paid job for mcp.audit.deep",
"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": [
"status",
"job_id",
"service_id"
],
"properties": {
"state": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"accepted",
"completed",
"failed",
"compensated",
"artifact"
]
},
"service_id": {
"type": "string"
}
},
"description": "Compact PAYMENT-REQUIRED projection; the 402 JSON body and canonical OpenAPI publish the complete response contract.",
"additionalProperties": true
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"canu": {
"serviceId": "release.qa.webgl",
"challengeId": "pch_f49f084b88441f4be70c0b38b9",
"directRequestHash": "301267b80f01a43a138d6c6ab3437e49f8d43ff04f1c4390e03145d4c2c4481f"
},
"name": "USDC",
"version": "2",
"serviceName": "Canu Verify"
},
"payTo": "0x0bac88e8B47D9F2dC38E66dB9dA4b41032d24065",
"amount": "5000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.canuverify.com/v1/x402/services/release.qa.webgl",
"tags": [
"quality",
"webgl-qa",
"canvas-rendering",
"gpu-browser-test",
"context-loss"
],
"mimeType": "application/json",
"description": "Release QA WebGL: Run isolated desktop and mobile Chromium QA for WebGL and canvas applications. Checks rendering support, canvas visibility, context loss, console and network failures, responsive layout, screenshots and evidence.",
"serviceName": "Canu Verify"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"input": {
"target_url": "https://example.com"
},
"options": {},
"wait_seconds": 15
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"state": "succeeded",
"job_id": "job_release_qa_webgl_example",
"status": "completed",
"service_id": "release.qa.webgl"
}
}
},
"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": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"target_url"
],
"properties": {
"settle_ms": {
"type": "integer",
"maximum": 10000,
"minimum": 0
},
"target_url": {
"type": "string",
"format": "uri",
"maxLength": 2048
},
"max_requests": {
"type": "integer",
"maximum": 500,
"minimum": 1
},
"allowed_hosts": {
"type": "array",
"items": {
"type": "string",
"description": "Exact hostname; no wildcard"
},
"maxItems": 16
},
"max_transfer_bytes": {
"type": "integer",
"maximum": 104857600,
"minimum": 65536
}
},
"additionalProperties": false
},
"credit": {
"type": "object",
"required": [
"scheme",
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 192,
"minLength": 1
},
"scheme": {
"const": "canu_service_credit_v1"
}
},
"description": "Closed-loop Canu Verify compensation credit; do not combine with PAYMENT-SIGNATURE or rail",
"additionalProperties": false
},
"options": {
"type": "object",
"additionalProperties": true
},
"wait_seconds": {
"type": "integer",
"maximum": 20,
"minimum": 0
}
},
"description": "Submit one paid job for release.qa.webgl",
"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": [
"status",
"job_id",
"service_id"
],
"properties": {
"state": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"accepted",
"completed",
"failed",
"compensated",
"artifact"
]
},
"service_id": {
"type": "string"
}
},
"description": "Compact PAYMENT-REQUIRED projection; the 402 JSON body and canonical OpenAPI publish the complete response contract.",
"additionalProperties": true
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"canu": {
"serviceId": "document.structured",
"challengeId": "pch_8db1fe6f4ad8f98f352f57853e",
"directRequestHash": "043a4289f1b615ba9f70d2bdca50d670bd543c050c4cb656731749e761318006"
},
"name": "USDC",
"version": "2",
"serviceName": "Canu Verify"
},
"payTo": "0x0bac88e8B47D9F2dC38E66dB9dA4b41032d24065",
"amount": "300000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.canuverify.com/v1/x402/services/document.structured",
"tags": [
"documents",
"ubl-invoice",
"costa-rica-einvoice",
"json-invoice",
"xml-invoice"
],
"mimeType": "application/json",
"description": "Structured Document Normalization: Parse and normalize UBL, Costa Rica electronic invoices and common invoice JSON or XML into provenance-tagged fields, then verify line, tax and total arithmetic without OCR.",
"serviceName": "Canu Verify"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"options": {},
"filename": "invoice.json",
"content_text": "{\"invoice_number\":\"001\",\"total\":\"100.00\"}",
"content_type": "application/json",
"wait_seconds": 15
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"state": "succeeded",
"job_id": "job_document_structured_example",
"status": "completed",
"service_id": "document.structured"
}
}
},
"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",
"oneOf": [
{
"not": {
"required": [
"content_base64"
]
},
"required": [
"content_text"
]
},
{
"not": {
"required": [
"content_text"
]
},
"required": [
"content_base64",
"content_type",
"filename"
]
}
],
"properties": {
"credit": {
"type": "object",
"required": [
"scheme",
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 192,
"minLength": 1
},
"scheme": {
"const": "canu_service_credit_v1"
}
},
"description": "Closed-loop Canu Verify compensation credit; do not combine with PAYMENT-SIGNATURE or rail",
"additionalProperties": false
},
"options": {
"type": "object",
"additionalProperties": true
},
"filename": {
"type": "string",
"maxLength": 255,
"minLength": 1
},
"content_text": {
"type": "string",
"maxLength": 5000000
},
"content_type": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"wait_seconds": {
"type": "integer",
"maximum": 20,
"minimum": 0
},
"content_base64": {
"type": "string",
"maxLength": 6666671,
"contentEncoding": "base64"
}
},
"description": "Submit one paid job for document.structured",
"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": [
"status",
"job_id",
"service_id"
],
"properties": {
"state": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"accepted",
"completed",
"failed",
"compensated",
"artifact"
]
},
"service_id": {
"type": "string"
}
},
"description": "Compact PAYMENT-REQUIRED projection; the 402 JSON body and canonical OpenAPI publish the complete response contract.",
"additionalProperties": true
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"canu": {
"serviceId": "document.invoice.verify",
"challengeId": "pch_235c9b14dabf5a1f4b9f971e5e",
"directRequestHash": "2954466e8994c5c48f277260933244ab80f8abd3533986532065df5eee1ae3b1"
},
"name": "USDC",
"version": "2",
"serviceName": "Canu Verify"
},
"payTo": "0x0bac88e8B47D9F2dC38E66dB9dA4b41032d24065",
"amount": "300000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.canuverify.com/v1/x402/services/document.invoice.verify",
"tags": [
"documents",
"invoice-ocr",
"pdf-invoice-extraction",
"invoice-math-verification",
"line-item-extraction"
],
"mimeType": "application/json",
"description": "Document & Invoice Intelligence: Extract invoice fields from JSON, XML, text-native or scanned PDFs and images using bounded OCR when required. Returns supplier, line items, currency, totals, field provenance, security findings and deterministic arithmetic verification.",
"serviceName": "Canu Verify"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"options": {},
"filename": "invoice.json",
"content_text": "{\"document_type\":\"invoice\",\"invoice_number\":\"001\",\"total\":\"100.00\"}",
"content_type": "application/json",
"wait_seconds": 15
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"state": "succeeded",
"job_id": "job_document_invoice_verify_example",
"status": "completed",
"service_id": "document.invoice.verify"
}
}
},
"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",
"oneOf": [
{
"not": {
"required": [
"content_base64"
]
},
"required": [
"content_text"
]
},
{
"not": {
"required": [
"content_text"
]
},
"required": [
"content_base64",
"content_type",
"filename"
]
}
],
"properties": {
"credit": {
"type": "object",
"required": [
"scheme",
"token"
],
"properties": {
"token": {
"type": "string",
"maxLength": 192,
"minLength": 1
},
"scheme": {
"const": "canu_service_credit_v1"
}
},
"description": "Closed-loop Canu Verify compensation credit; do not combine with PAYMENT-SIGNATURE or rail",
"additionalProperties": false
},
"options": {
"type": "object",
"additionalProperties": true
},
"filename": {
"type": "string",
"maxLength": 255,
"minLength": 1
},
"content_text": {
"type": "string",
"maxLength": 5000000
},
"content_type": {
"type": "string",
"maxLength": 128,
"minLength": 1
},
"wait_seconds": {
"type": "integer",
"maximum": 20,
"minimum": 0
},
"content_base64": {
"type": "string",
"maxLength": 6666671,
"contentEncoding": "base64"
}
},
"description": "Submit one paid job for document.invoice.verify",
"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": [
"status",
"job_id",
"service_id"
],
"properties": {
"state": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"accepted",
"completed",
"failed",
"compensated",
"artifact"
]
},
"service_id": {
"type": "string"
}
},
"description": "Compact PAYMENT-REQUIRED projection; the 402 JSON body and canonical OpenAPI publish the complete response contract.",
"additionalProperties": true
}
}
}
}
}
}
},
"x402Version": 2
}
] OVER TIME
All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/canu-verify/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.
Median across 5 endpoints. Use the selector to isolate one.
COMPLIANCE
14/14 checks pass · grade A- 402 payload captured
- accepts[] array present
- payTo address recoverable
- payTo at accepts[0].payTo (conformant shape)
- payTo is a valid on-chain address
- atomic price declared
- atomic price in a sane range
- asset (token) address declared
- network resolves to CAIP-2
- payment scheme declared
- served over HTTPS
- declares the current x402 version (2)
- EIP-712 domain parameters present on every EVM entry
- x402 v2 envelope delivered in the payment-required header
SITE PILLARS
- homepage reachable
- openapi doc
- pricing page
- llms.txt
- robots.txt
- terms page
recent checks (4) · click to expand
EMBED THIS BADGE
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