Increase

Increase is a banking and payments API providing direct ACH, wire, RTP, FedNow, check, and card programs. Bank-direct connectivity (no aggregator middle layer).

6 APIs 0 Features

FintechBankingPaymentsACHWires

APIs

Increase ACH API

Send and receive ACH transfers, debits, returns, and reversals via the Increase platform.

Increase Wire Transfers API

Originate Fedwire transfers and process inbound wires and reversals.

Increase Real-Time Payments API

Send and receive RTP and FedNow instant payments with account validation.

Increase Check API

Issue Check 21 originations, deposit checks, and configure positive pay and lockboxes.

Increase Cards API

Issue physical and digital cards, run real-time decisions, manage wallets and disputes.

Increase Accounts API

Open and manage standard and loan accounts with deposit insurance.

Resources

Sources

aid: increase
url: https://raw.githubusercontent.com/api-evangelist/increase/refs/heads/main/apis.yml
name: Increase
x-type: company
description: Increase is a banking and payments API providing direct ACH, wire, RTP, FedNow, check, and card programs. Bank-direct
  connectivity (no aggregator middle layer).
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Fintech
- Banking
- Payments
- ACH
- Wires
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- name: Increase ACH API
  description: Send and receive ACH transfers, debits, returns, and reversals via the Increase platform.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - ACH
  - Payments
  - Banking
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
- name: Increase Wire Transfers API
  description: Originate Fedwire transfers and process inbound wires and reversals.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - Wires
  - Payments
  - Banking
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
- name: Increase Real-Time Payments API
  description: Send and receive RTP and FedNow instant payments with account validation.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - RTP
  - FedNow
  - Instant Payments
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
- name: Increase Check API
  description: Issue Check 21 originations, deposit checks, and configure positive pay and lockboxes.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - Check
  - Payments
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
- name: Increase Cards API
  description: Issue physical and digital cards, run real-time decisions, manage wallets and disputes.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - Cards
  - Issuing
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
- name: Increase Accounts API
  description: Open and manage standard and loan accounts with deposit insurance.
  humanURL: https://increase.com/documentation/api
  baseURL: https://api.increase.com
  tags:
  - Accounts
  - Banking
  properties:
  - type: Documentation
    url: https://increase.com/documentation/api
  - type: OpenAPI
    url: openapi/increase-openapi.json
common:
- type: Website
  url: https://increase.com/
- type: Plans
  url: plans/increase-plans-pricing.yml
- type: RateLimits
  url: rate-limits/increase-rate-limits.yml
- type: FinOps
  url: finops/increase-finops.yml
maintainers:
- FN: Kin Lane
  email: [email protected]