# SoFi Tech Solutions External Trans API

**Canonical:** https://apis.io/apis/sofi-technologies/sofi-tech-solutions-external-trans-api/  
**Provider:** SoFi Technologies — https://apis.io/providers/sofi-technologies/  
**Base URL:** https://client.domain.com  
**Documentation:** https://docs.tech.sofi.com/pro/reference/api-reference-external-trans-api-about-external-trans-api

SoFi Tech Solutions External Trans API is one of 11 APIs that [SoFi Technologies](https://apis.io/providers/sofi-technologies/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Fintech, Payments, Banking, Card Issuing, and Banking as a Service. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

The decisioning webhook for incoming ACH debits and bill payments - the ACH and billpay counterpart to the Auth API. The client answers with a response_code to approve or deny the transaction. Two operations, both client-hosted.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/achdebit` | ACH Debit Webhook |
| POST | `/billpay` | Billpay Webhook |

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/sofi-technologies/refs/heads/main/openapi/sofi-technologies-external-trans-api-openapi.json
- **APIReference** — https://docs.tech.sofi.com/pro/reference/api-reference-external-trans-api-about-external-trans-api
- **Documentation** — https://docs.tech.sofi.com/pro/

## Other SoFi Technologies APIs (10)

- [SoFi Tech Solutions Program API](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-program-api/)
- [SoFi Tech Solutions Payment Hub API 2.0](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-payment-hub-api/)
- [SoFi Tech Solutions Dispute API 3.0](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-dispute-api-30/)
- [SoFi Tech Solutions Dispute API 2.0](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-dispute-api-20/)
- [SoFi Tech Solutions Loan API](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-loan-api/)
- [SoFi Tech Solutions Risk API 2.0](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-risk-api-20/)
- [SoFi Tech Solutions Risk API 1.0](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-risk-api-10/)
- [SoFi Tech Solutions Public Config API](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-public-config-api/)
- [SoFi Tech Solutions Events API](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-events-api/)
- [SoFi Tech Solutions Auth API](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-auth-api/)

## Tags

Fintech, Payments, Banking, Card Issuing, Banking as a Service, Webhooks, ACH, Bill Pay

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/sofi-technologies/sofi-tech-solutions-external-trans-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/sofi-technologies/.