# GSMA Open Gateway One Step Payment API

**Canonical:** https://apis.io/apis/open-gateway/open-gateway-one-step-payment-api/  
**Provider:** GSMA Open Gateway — https://apis.io/providers/open-gateway/  
**Documentation:** https://github.com/camaraproject/NumberVerification

GSMA Open Gateway One Step Payment API is one of 34 APIs that [GSMA Open Gateway](https://apis.io/providers/open-gateway/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include One Step Payment. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Operations to manage One Step Payment procedure

## Machine-readable artifacts (22)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/open-gateway/refs/heads/main/openapi/open-gateway-one-step-payment-api-openapi.yml
- **Documentation** — https://github.com/camaraproject/NumberVerification
- **APIReference** — https://camaraproject.github.io/swagger-ui/
- **Documentation** — https://www.gsma.com/solutions-and-impact/gsma-open-gateway/gsma-open-gateway-api-descriptions/
- **Documentation** — https://github.com/camaraproject/SimSwap
- **Documentation** — https://github.com/camaraproject/DeviceSwap
- **Documentation** — https://github.com/camaraproject/CallForwardingSignal
- **Documentation** — https://github.com/camaraproject/KnowYourCustomerMatch
- **Documentation** — https://github.com/camaraproject/KnowYourCustomerAgeVerification
- **Documentation** — https://github.com/camaraproject/Tenure
- **Documentation** — https://github.com/camaraproject/OTPValidation
- **Documentation** — https://github.com/camaraproject/QualityOnDemand
- **Documentation** — https://github.com/camaraproject/DeviceReachabilityStatus
- **Documentation** — https://github.com/camaraproject/DeviceIdentifier
- **Documentation** — https://github.com/camaraproject/DeviceStatus
- **Documentation** — https://github.com/camaraproject/PopulationDensityData
- **Documentation** — https://github.com/camaraproject/DeviceLocation
- **Documentation** — https://github.com/camaraproject/SimpleEdgeDiscovery
- **Documentation** — https://github.com/camaraproject/CarrierBillingCheckOut
- **Documentation** — https://github.com/camaraproject/HomeDevicesQoD
- **Documentation** — https://github.com/tmforum-apis/TMF931_OpenGatewayOnboardingAndOrderingComponentSuite
- **APIReference** — https://github.com/tmforum-apis/TMF931_OpenGatewayOnboardingAndOrderingComponentSuite

## Other GSMA Open Gateway APIs (12)

- [GSMA Open Gateway Age Verification API](https://apis.io/apis/open-gateway/open-gateway-age-verification-api/)
- [GSMA Open Gateway API Product API](https://apis.io/apis/open-gateway/open-gateway-apiproduct-api/)
- [GSMA Open Gateway API Product Order API](https://apis.io/apis/open-gateway/open-gateway-apiproductorder-api/)
- [GSMA Open Gateway Application API](https://apis.io/apis/open-gateway/open-gateway-application-api/)
- [GSMA Open Gateway Application Owner API](https://apis.io/apis/open-gateway/open-gateway-applicationowner-api/)
- [GSMA Open Gateway Call Forwarding information retrieval API](https://apis.io/apis/open-gateway/open-gateway-call-forwarding-information-retrieval-api/)
- [GSMA Open Gateway Check Device Swap API](https://apis.io/apis/open-gateway/open-gateway-check-device-swap-api/)
- [GSMA Open Gateway Check SIM swap API](https://apis.io/apis/open-gateway/open-gateway-check-sim-swap-api/)
- [GSMA Open Gateway Check Subscriber Tenure API](https://apis.io/apis/open-gateway/open-gateway-check-subscriber-tenure-api/)
- [GSMA Open Gateway Connected Network Type API](https://apis.io/apis/open-gateway/open-gateway-connected-network-type-api/)
- [GSMA Open Gateway Device reachability status API](https://apis.io/apis/open-gateway/open-gateway-device-reachability-status-api/)
- [GSMA Open Gateway Device reachability status subscription API](https://apis.io/apis/open-gateway/open-gateway-device-reachability-status-subscription-api/)

## Tags

One Step Payment

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