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Reown Chains API

Blockchain chains registered under CASA namespaces.

Reown Chains API is one of 7 APIs that Reown publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Chains. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 1 operation across 1 path, and defines 1 schema. It is described by OpenAPI 3.1.0, at version 1.0.0.

Requests are made against a single base URL, https://explorer-api.walletconnect.com.

1 operations 1 paths 1 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0.0
Base URL
https://api.web3modal.org/v3
Authentication
API Key
License
Reown Proprietary
Resource Areas
1

Authentication & Security 1

Reown Chains API declares 1 security scheme for authenticating requests. An API key is passed in the query as projectId (projectIdAuth). By default, every request must be authenticated.

  • projectIdAuth — Reown project ID from the Reown Dashboard at https://dashboard.reown.com. Passed as a projectId query parameter on every request.

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.

Chains 1

Blockchain chains registered under CASA namespaces.

GET
/v3/chains
List chains
listChains 3 params → 200

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is Chain (4 properties). Each schema is shown below with its type and property counts.

Chain
object
4 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

reown-chains-api-openapi.yml Raw ↑

Other APIs Reown publishes across the network.

Reown Cloud Explorer API
Reown Notify (Push) API
Reown Blockchain API
WalletConnect Relay (SDK-mediated)
Reown Listings API
Reown Logos API