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Beeper Files API

File upload, download, and streaming helpers for message attachments and drafts.

Beeper Files API is one of 7 APIs that Beeper publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

Tagged areas include File. The published artifact set on APIs.io includes an OpenAPI specification and an AsyncAPI specification.

This API exposes 4 operations across 4 paths, and defines 6 schemas. It is described by OpenAPI 3.1.0, at version 5.0.0.

Requests are made against a single base URL, http://localhost:23373.

4 operations 4 paths 6 schemas 1 GET3 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
5.0.0
Base URL
http://localhost:23373
Authentication
HTTP Bearer, OAuth 2.0
Contact
Terms of Service
Resource Areas
1

Authentication & Security 2

Beeper Files API declares 2 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It supports OAuth 2.0 (oauth2) using the authorizationCode flow, exposing 2 scopes. By default, every request must be authenticated.

  • bearerAuth — Bearer token authentication. Access token obtained via OAuth2 PKCE flow or created in-app. Required for all API operations.
  • oauth2 — OAuth2 Authorization Code flow with PKCE for obtaining bearer access tokens. Used by MCP servers to authenticate clients.

Paths & Operations 4

Across 4 paths, the API surfaces 4 operations — 1 GET, 3 POST. Each is listed below with its method, path, parameters, and response codes.

Files 4

File upload, download, and streaming helpers for message attachments and drafts.

POST
/v1/assets/download
Download a file
downloadAsset body → 200400401403404422429500
GET
/v1/assets/serve
Serve a file
serveAsset 1 param → 200206304400401403404416
POST
/v1/assets/upload
Upload a file
uploadAsset body → 200400401403404422429500
POST
/v1/assets/upload/base64
Upload a file (base64)
uploadAssetBase64 body → 200400401403404422429500

Schemas 6

The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are UploadAssetOutput (9 properties), Error (3 properties), UploadAssetMultipart (3 properties), UploadAssetInput (3 properties). Each schema is shown below with its type and property counts.

DownloadAssetInput
object
1 property 1 required
DownloadAssetOutput
object
2 properties
UploadAssetInput
object
Upload a temporary file. Upload IDs can be referenced by send-message and draft attachment requests while the temporary upload remains available.
3 properties 1 required
UploadAssetOutput
object
9 properties
UploadAssetMultipart
object
Upload a temporary file. Upload IDs can be referenced by send-message and draft attachment requests while the temporary upload remains available.
3 properties 1 required
Error
object
3 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

beeper-files-api-openapi.yml Raw ↑

Other APIs Beeper publishes across the network.

Beeper Accounts API
Beeper App API
Beeper Chats API
Beeper Contacts API
Beeper Messages API
Beeper Server API
Where this information came from

This is an independent, third-party profile of Beeper Files API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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