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apis.json,llms.txtand similar), its public repositories, and its public status, pricing and changelog pages. Nothing here is obtained by breaching a system, defeating an access control, or using credentials of any kind.The rating is an independent assessment. The Kin Score and Agent Readiness rating are independently calculated scores of a company's public API artifacts, produced by API Evangelist against a published rubric. They are not certifications, endorsements, security assessments, or audits, and they score published artifacts — not the quality, safety, or security of the software.
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Full detail: Where this data comes from
CloudWalk, Inc. is a payments and financial-infrastructure company (Sunnyvale, CA and São Paulo, Brazil) building an AI-native transaction layer for small businesses. It operates three brands: InfinitePay (Brazilian acquiring, digital banking, Tap to Pay, hosted checkout, Pix, credit), JIM (phone-as-POS for self-employed workers in the US) and Pierre (personal-finance intelligence on Brazilian Open Finance).
| Surface | What it is |
|---|---|
InfinitePay Checkout API — https://api.checkout.infinitepay.io |
Two JSON operations: POST /links creates a hosted checkout payment link, POST /payment_check returns its payment status. Reference |
payment_approved webhook |
One event, POSTed to the webhook_url set on a link. Answer 200 to acknowledge, 400 to be retried. |
InfiniteTap deeplink — infinitepaydash://infinitetap-app |
Hands a Tap-to-Pay card transaction from a third-party POS app to the InfinitePay mobile app and back. Reference |
- No OpenAPI, Swagger, AsyncAPI or GraphQL. Every candidate spec path was probed on every
API and docs host (
/openapi.json,/openapi.yaml,/swagger.json,/api-docs,/docs,/redoc) and all missed;/api-docsreturns401, an access-controlled internal surface. The former documentation hostdocs.infinitepay.iono longer resolves in DNS. - No
/.well-known/documents at all — nosecurity.txt, OIDC/OAuth metadata,api-catalog,ai-plugin.json, or A2A agent card at either the canonical or legacy path. - No MCP server and no
llms.txt. - No authentication on the public API. The merchant is identified by its public
InfiniteTag
handlein the request body — no key, token, OAuth or webhook signature. - No versioning, deprecation policy, changelog, SLA, rate-limit documentation, error reference or sandbox.
- It does run a live status page (https://status.infinitepay.io/), a named responsible-disclosure program (security@cloudwalk.io, one-business-day acknowledgement), and the full BACEN-mandated regulatory policy set for a supervised Brazilian payment institution.
Everything below was produced by the API Evangelist enrichment pipeline (2026-08-01), not
published by CloudWalk. The OpenAPI is a faithful transcription of CloudWalk's own live
public reference, with live probe evidence recorded in x-evidence.
| Path | What |
|---|---|
openapi/ |
OpenAPI 3.1 for the Checkout API (2 operations + 1 webhook) |
overlays/ |
The API Evangelist enhancements over that spec |
asyncapi/ |
The webhook catalogue (no AsyncAPI is published) |
conventions/ |
Auth style, money units, error envelope, versioning, and the full InfiniteTap deeplink parameter contract |
authentication/ |
The (absent) auth model, plus the undocumented /v2/cards/tokenize endpoint observed on authorizer.infinitepay.io |
errors/ |
Error responses observed live; CloudWalk publishes no error reference |
lifecycle/ |
Status page, the api.infinitepay.io → api.checkout.infinitepay.io host migration, and the missing policies |
data-model/ |
The entity graph |
components/ |
Hosted checkout and app-hosted Tap surfaces |
conformance/ |
Standards conformance plus the BACEN regulatory compliance set |
packages/ |
First-party POS/plugin libraries and community SDKs |
security/ |
Domain security probe, and the responsible-disclosure program |
well-known/ |
The verified-empty discovery surface |
agentic-access/ |
Recommended x-agentic-access contracts per operation |
skills/ |
Three packaged agent skills grounded in real operationIds |
mcp/ |
Candidate tool surface only — CloudWalk operates no MCP server, so no MCPServer pointer is wired |
llms/ |
Generated llms.txt |