# Western Alliance Bank Intrabank Transfer API

**Canonical:** https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-intrabank-transfer-api/  
**Provider:** Western Alliance Bancorporation — https://apis.io/providers/western-alliance-bancorporation/  
**Base URL:** https://api-connect.westernalliancebank.com  
**Documentation:** https://developer.westernalliancebank.com/s/apis/transactional-apis

Western Alliance Bank Intrabank Transfer API is one of 17 APIs that [Western Alliance Bancorporation](https://apis.io/providers/western-alliance-bancorporation/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Banking, Financial-Services, Treasury Management, Payments, and Transfers. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Initiates an intra-bank transfer between two Western Alliance Bank accounts and searches intra-bank transfers as originator or beneficiary. The transfer returns a Payment Message Reference that is the universal identifier for the payment across the Intrabank Search, Intraday, Prior Day and Date Range APIs and the webhook. Family: Transactional APIs on the WAB API Developer Portal; 2 operations captured.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/trnsct-ibt-eapi/api/v1/transactions/intraBankTransfer` | Initiate an intra-bank transfer |
| POST | `/trnsct-ibt-eapi/api/v2/transactions/intraBankSearch` | Search intra-bank transfers (originator or beneficiary mode) |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/western-alliance-bancorporation/refs/heads/main/openapi/western-alliance-bancorporation-intrabank-transfer-api-openapi.yml
- **Documentation** — https://developer.westernalliancebank.com/sfsites/c/cms/delivery/media/MC2GPNZ5A6AFBB7FPCQ6YISYCQY4
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/western-alliance-bancorporation/refs/heads/main/asyncapi/western-alliance-bancorporation-webhooks.yml
- **Documentation** — https://developer.westernalliancebank.com/s/apis/transactional-apis

## Other Western Alliance Bancorporation APIs (12)

- [Western Alliance Bank Token API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-token-api/)
- [Western Alliance Bank All Account Balance API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-all-account-balance-api/)
- [Western Alliance Bank Single Account Balance API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-single-account-balance-api/)
- [Western Alliance Bank All Account Intraday API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-all-account-intraday-api/)
- [Western Alliance Bank Single Account Intraday API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-single-account-intraday-api/)
- [Western Alliance Bank All Account Priorday API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-all-account-priorday-api/)
- [Western Alliance Bank Single Account Priorday API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-single-account-priorday-api/)
- [Western Alliance Bank Date Range Transactions API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-date-range-transactions-api/)
- [Western Alliance Bank Bank Statement API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-bank-statement-api/)
- [Western Alliance Bank Check Image API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-check-image-api/)
- [Western Alliance Bank Stop Payments API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-stop-payments-api/)
- [Western Alliance Bank Book Transfer API](https://apis.io/apis/western-alliance-bancorporation/western-alliance-bancorporation-book-transfer-api/)

## Tags

Banking, Financial-Services, Treasury Management, Payments, Transfers, Webhook

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