# SecondFactor API

**Canonical:** https://apis.io/apis/secondfactor/secondfactor-api/  
**Provider:** SecondFactor — https://apis.io/providers/secondfactor/  
**Base URL:** https://api.secondfactor.ai  
**Documentation:** https://docs.secondfactor.ai/sdk-android

SecondFactor API is one of 2 APIs that [SecondFactor](https://apis.io/providers/secondfactor/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

SecondFactor API as documented publicly: 7 operations. Contract generated from the documentation by API Evangelist (2026-11-10); not the provider's own document.

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| GET | `/secondfactor/secondfactor-kotlin/main/secondfactor/SecondFactor.kt` | GET /secondfactor/secondfactor-kotlin/main/secondfactor/SecondFactor.kt |
| GET | `/v2/Services` | GET /v2/Services |
| POST | `/v2/Services` | POST /v2/Services |
| POST | `/v2/Services/{servicesid}/VerificationCheck` | Verifies the OTP your user typed. |
| GET | `/v2/Services/{servicesid}/VerificationSessions/{sid}` | Hosted verification |
| POST | `/v2/Services/{servicesid}/Verifications` | Send OTP |
| GET | `/v2/Services/{servicesid}/Verifications/{verificationsid}` | Get OTP status |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/secondfactor/openapi/_ae-authored/secondfactor-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-post-v2-services-servicesid-verifications-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-post-v2-services-servicesid-verificationcheck-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-post-v2-services-servicesid-verifications-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-get-v2-services-servicesid-verifications-verificationsid-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-post-v2-services-servicesid-verificationcheck-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/secondfactor/json-schema/secondfactor-post-v2-services-response-schema.json

## Other SecondFactor APIs (1)

- [SecondFactor API](https://apis.io/apis/secondfactor/secondfactor-api-2/)

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