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Signal Stickers API

Sticker pack management endpoints for uploading and retrieving sticker packs.

Signal Stickers API is one of 14 APIs that Signal publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

This API exposes 1 JSON Schema definition.

Tagged areas include Stickers. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an AsyncAPI specification, a JSON-LD context, and 1 JSON Schema.

This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 2.0.

Requests are made against a single base URL, https://chat.signal.org.

1 operations 1 paths 2 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
2.0
Base URL
https://chat.signal.org
Authentication
HTTP Basic, HTTP Bearer
License
Terms of Service
Resource Areas
1

Authentication & Security 2

Signal Stickers API declares 2 security schemes for authenticating requests. It accepts HTTP basic authentication (basicAuth). It accepts HTTP bearer tokens (bearerAuth). By default, every request must be authenticated.

  • basicAuth — HTTP Basic authentication using the account UUID (or phone number) and password. The password is established during account registration.
  • bearerAuth — Bearer token authentication used for certain provisioning and registration flows.

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Stickers 1

Sticker pack management endpoints for uploading and retrieving sticker packs.

GET
/v1/sticker/pack/form/{packSize}
Get sticker pack upload form
getStickerPackUploadForm 1 param → 200401

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are AttachmentUploadForm (4 properties), StickerPackUploadForm (3 properties). Each schema is shown below with its type and property counts.

AttachmentUploadForm
object
4 properties
StickerPackUploadForm
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

signal-stickers-api-openapi.yml Raw ↑

Other APIs Signal publishes across the network.

Signal Protocol Specifications
Signal libsignal SDK
Signal Android SDK
Signal iOS SDK
Signal Desktop SDK
Signal Accounts API
Signal Attachments API
Signal Certificates API
Signal Devices API
Signal Keys API
Signal Messages API
Signal Profiles API
Where this information came from

This is an independent, third-party profile of Signal Stickers 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.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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