# Later Authentication API

**Canonical:** https://apis.io/apis/later/later-authentication-api/  
**Provider:** Later — https://apis.io/providers/later/  
**Base URL:** https://app.later.com/  
**Documentation:** https://later.com/

Later Authentication API is one of 176 APIs that [Later](https://apis.io/providers/later/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Authentication. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, authentication docs, and pricing.

The Authentication API from Later — 15 operation(s) for authentication.

## Operations (16)

| Method | Path | Summary |
|---|---|---|
| POST | `/api-key/facebook` | Pass Facebook access grant information in exchange for a JWT to include in the header of requests. |
| POST | `/auto-login` | Pass encrypted user key in exchange for a JWT to include in the header of requests. |
| POST | `/connected-account/instagram-business` | Pass Facebook access grant information in exchange for a JWT to include in the header of requests. |
| POST | `/email-auth/lookup` | Pass an email and check if it needs verification or existing login credentials submitted in order to proceed |
| POST | `/email-auth/signup` | Pass an email verification request key and new password in exchange for a JWT to include in the header of requests. |
| POST | `/email-auth/login` | Pass an email and password in exchange for a JWT to include in the header of requests. |
| POST | `/email-auth/forgot-password` | Initiate a forgot password password request |
| POST | `/email-auth/reset-password` | Pass an email reset password request key and new password in exchange for a JWT to include in the header of requests. |
| POST | `/email-verification-request/validate` | Validate an email verification request. |
| POST | `/email-verification-request/create` | Create an Email Verification Request |
| PUT | `/login-credentials/update` | Update existing influencer login credentials. |
| POST | `/v1/api-key/login` | — |
| POST | `/v1/auth/facebook/exchange-code-for-token` | — |
| POST | `/v1/api-key/swap-app` | — |
| GET | `/v1/reset-password` | — |
| POST | `/v1/reset-password` | — |

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/openapi/later-authentication-api-openapi.yml
- **APIReference** — https://api.mavrck.co/api-docs
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/authentication/later-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/conventions/later-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/errors/later-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/data-model/later-data-model.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/later/refs/heads/main/asyncapi/later-influence-webhooks.yml
- **Pricing** — https://later.com/influencer-marketing-platform/pricing/

## Other Later APIs (12)

- [Later Social Media Platform](https://apis.io/apis/later/later-social-media-platform/)
- [Later Account Invitations API](https://apis.io/apis/later/later-accountinvitations-api/)
- [Later Action Groups API](https://apis.io/apis/later/later-action-groups-api/)
- [Later Action Group Brief API](https://apis.io/apis/later/later-actiongroupbrief-api/)
- [Later Action Group Bulk Scheduled Messages API](https://apis.io/apis/later/later-actiongroupbulkscheduledmessages-api/)
- [Later Action Group Conversation Templates API](https://apis.io/apis/later/later-actiongroupconversationtemplates-api/)
- [Later Action Group Custom Influencer Statuses API](https://apis.io/apis/later/later-actiongroupcustominfluencerstatuses-api/)
- [Later Action Group Custom Statuses API](https://apis.io/apis/later/later-actiongroupcustomstatuses-api/)
- [Later Action Groups API](https://apis.io/apis/later/later-actiongroups-api/)
- [Later Action Group Scheduled Messages API](https://apis.io/apis/later/later-actiongroupscheduledmessages-api/)
- [Later Action Groups Status API](https://apis.io/apis/later/later-actiongroupsstatus-api/)
- [Later Actions API](https://apis.io/apis/later/later-actions-api/)

## Tags

Authentication

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