# Increase Inbound Mail Items API

**Canonical:** https://apis.io/apis/increase/increase-inbound-mail-items-api/  
**Provider:** Increase — https://apis.io/providers/increase/  
**Base URL:** https://api.increase.com  
**Documentation:** https://increase.com/documentation/api

Increase Inbound Mail Items API is one of 56 APIs that [Increase](https://apis.io/providers/increase/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Inbound Mail Items. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Inbound Mail Items represent pieces of physical mail delivered to a Lockbox Address.

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/increase/refs/heads/main/openapi/increase-inbound-mail-items-api-openapi.yml
- **Documentation** — https://increase.com/documentation/api

## Other Increase APIs (12)

- [Increase Account Numbers API](https://apis.io/apis/increase/increase-account-numbers-api/)
- [Increase Account Statements API](https://apis.io/apis/increase/increase-account-statements-api/)
- [Increase Account Transfers API](https://apis.io/apis/increase/increase-account-transfers-api/)
- [Increase Accounts API](https://apis.io/apis/increase/increase-accounts-api/)
- [Increase Ach Prenotifications API](https://apis.io/apis/increase/increase-ach-prenotifications-api/)
- [Increase Ach Transfers API](https://apis.io/apis/increase/increase-ach-transfers-api/)
- [Increase Card Disputes API](https://apis.io/apis/increase/increase-card-disputes-api/)
- [Increase Card Payments API](https://apis.io/apis/increase/increase-card-payments-api/)
- [Increase Card Purchase Supplements API](https://apis.io/apis/increase/increase-card-purchase-supplements-api/)
- [Increase Card Push Transfers API](https://apis.io/apis/increase/increase-card-push-transfers-api/)
- [Increase Card Tokens API](https://apis.io/apis/increase/increase-card-tokens-api/)
- [Increase Card Validations API](https://apis.io/apis/increase/increase-card-validations-api/)

## Tags

Inbound Mail Items

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/increase/increase-inbound-mail-items-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/increase/.