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Alt Bank Underwriting API

Credit underwriting and risk scoring for partner card issuance.

Alt Bank Underwriting API is one of 4 APIs that Alt Bank publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Underwriting. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 1.0.

Requests are made against 2 base URLs: https://guard.altbank.ai, https://guard.stg.altbank.ai.

1 operations 1 paths 2 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0
Base URL
https://guard.altbank.ai
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Alt Bank Underwriting API declares 1 security scheme for authenticating requests. An API key is passed in the header as X-Partner-Auth (PartnerAuth). By default, every request must be authenticated.

  • PartnerAuth — Partner authentication token — a 64-character alphanumeric string issued by alt.bank, sent on every request in the X-Partner-Auth header.

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Underwriting 1

Credit underwriting and risk scoring for partner card issuance.

POST
/api/partner/credit/cards/underwritings
Submit a credit-card underwriting request
submitUnderwriting body → 202401

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is UnderwritingRequest (1 property). Each schema is shown below with its type and property counts.

UnderwritingAck
object
Acknowledgement that the asynchronous underwriting request was accepted.
UnderwritingRequest
object
Underwriting input for one customer. The customer is identified by CPF (Brazilian taxpayer registry number); in the sandbox, alt.bank provides test CPFs that e…
1 property 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

alt-bank-underwriting-api-openapi.yml Raw ↑

Other APIs Alt Bank publishes across the network.

GUARD API
CC Integration API
SDK KYC API
Where this information came from

This is an independent, third-party profile of Alt Bank Underwriting API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

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