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Increase Accounts API

Deposit accounts held at Increase partner banks.

Increase Accounts API is one of 16 APIs that Increase publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Accounts. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 6 operations across 4 paths, and defines 2 schemas. It is described by OpenAPI 3.1.0, at version 0.0.1.

Requests are made against 2 base URLs: https://api.increase.com, https://sandbox.increase.com.

6 operations 4 paths 2 schemas 3 GET1 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
0.0.1
Base URL
https://api.increase.com
Authentication
HTTP Bearer
Contact
Resource Areas
1

Authentication & Security 1

Increase Accounts API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). By default, every request must be authenticated.

  • bearerAuth — Increase API key passed as Authorization: Bearer YOURAPIKEY. Keys are environment-scoped (production vs sandbox). OAuth is also supported for platform / Increa…

Paths & Operations 6

Across 4 paths, the API surfaces 6 operations — 3 GET, 1 PATCH, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Accounts 6

Deposit accounts held at Increase partner banks.

GET
/accounts
List Accounts
listAccounts 2 params → 200401
POST
/accounts
Create an Account
createAccount body → 200401422
GET
/accounts/{account_id}
Retrieve an Account
retrieveAccount 1 param → 200404
PATCH
/accounts/{account_id}
Update an Account
updateAccount 1 param body → 200
GET
/accounts/{account_id}/balance
Retrieve an Account Balance
retrieveAccountBalance 1 param → 200
POST
/accounts/{account_id}/close
Close an Account
closeAccount 1 param → 200

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are Account (9 properties), Error (4 properties). Each schema is shown below with its type and property counts.

Error
object
4 properties
Account
object
9 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

increase-com-accounts-api-openapi.yml Raw ↑

Other APIs Increase publishes across the network.

Increase Account Numbers API
Increase ACH Transfers API
Increase Bookkeeping API
Increase Card Payments API
Increase Card Profiles API
Increase Cards API
Increase Check Transfers API
Increase Entities API
Increase Events API
Increase External Accounts API
Increase Lockboxes API
Increase Real-Time Payments API