Craig Brown (BlindOracle) · Authentication Profile

Craig Brown (BlindOracle) Authentication

Authentication

Craig Brown (BlindOracle) secures its APIs with http and x402-payment across 3 declared security schemes, as derived from its OpenAPI definitions.

CompanyAI AgentsAgent MarketplaceSecurity Auditsx402PaymentsBlockchainMCPA2ATrust
Methods: http, x402-payment Schemes: 3 OAuth flows: API key in:

Security Schemes

BearerApiKey http
scheme: bearer
x402 payment
X-402-Payment apiKey
· in: header ()

Source

Authentication Profile

Raw ↑ 
generated: '2026-11-04'
method: searched
source: https://api.craigmbrown.com/v1/skill.md
docs: https://api.craigmbrown.com/v1/skill.md
summary:
  types:
  - http
  - x402-payment
  note: 'Pay-per-call buyers need "No signup. No API key. No registration." - the wallet that signs the x402 payment is the identity. Registered agents get an api_key used as a Bearer token for agent-scoped routes.'
schemes:
- name: BearerApiKey
  type: http
  scheme: bearer
  description: api_key from POST /v1/agents/register (shown once; only its hash is kept, so it can be replaced, never recovered).
  header: 'Authorization: Bearer <api_key>'
  sources:
  - openapi/craigmbrown-com-openapi.yml
  - https://api.craigmbrown.com/v1/skill.md
- name: x402
  type: payment
  description: HTTP 402 challenge in the base64 payment-required header; client signs an EIP-3009 TransferWithAuthorization (USDC on Base, eip155:8453) and retries with PAYMENT-SIGNATURE (also accepts X-PAYMENT). Not declared as a securityScheme in the OpenAPI.
  sources:
  - https://api.craigmbrown.com/v1/skill.md
- name: X-402-Payment
  type: apiKey
  in: header
  description: Starter credit note / prepaid balance header ("It is bearer credit - store it like the key"); declared in the OpenAPI as a header parameter.
  sources:
  - https://api.craigmbrown.com/v1/skill.md

Work with this as data

Every security artifact here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for security posture

4 MCP tools reach this
  • find_securityBrowse and filter every security artifact in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This security artifact 
curl "https://apis.io/api/v1/security/craigmbrown-com-authentication"
All security posture 
curl "https://apis.io/api/v1/security?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.