Horizon Blockchain Games · AsyncAPI Specification

Horizon Blockchain Games Webhooks

Version

View Spec View on GitHub CompanyConsumerBlockchainWeb3GamingNFTWalletsCryptocurrencySmart ContractsMarketplaceDeveloper ToolsEthereumAsyncAPIWebhooksEvents

AsyncAPI Specification

Raw ↑
generated: '2026-07-19'
method: searched
source: https://docs.sequence.xyz/api-references/indexer/overview
type: Webhooks
summary: >-
  Sequence exposes a webhook surface through the Indexer service: developers register webhook
  listeners that receive push notifications when on-chain events (native/token balance updates,
  transactions) matching a filter occur for their project. Listeners are managed via the Indexer
  webrpc API and delivered to a developer-supplied HTTPS endpoint. The Builder API additionally
  manages project-level webhook configuration.
delivery:
  transport: https-post
  auth: developer endpoint receives POST callbacks; listeners registered with project access key
management_operations:
  - service: indexer
    operation: Indexer/GetAllWebhookListeners
    endpoint: POST /rpc/Indexer/GetAllWebhookListeners
  - service: indexer
    operation: Indexer/GetWebhookListener
    endpoint: POST /rpc/Indexer/GetWebhookListener
  - service: indexer
    operation: Indexer/AddWebhookListener
    endpoint: POST /rpc/Indexer/AddWebhookListener
  - service: indexer
    operation: Indexer/UpdateWebhookListener
    endpoint: POST /rpc/Indexer/UpdateWebhookListener
  - service: indexer
    operation: Indexer/RemoveWebhookListener
    endpoint: POST /rpc/Indexer/RemoveWebhookListener
  - service: indexer
    operation: Indexer/ToggleWebhookListener
    endpoint: POST /rpc/Indexer/ToggleWebhookListener
  - service: indexer
    operation: Indexer/PauseAllWebhookListeners
    endpoint: POST /rpc/Indexer/PauseAllWebhookListeners
  - service: indexer
    operation: Indexer/ResumeAllWebhookListeners
    endpoint: POST /rpc/Indexer/ResumeAllWebhookListeners

Work with this as data

Every AsyncAPI spec here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for asyncapi

4 MCP tools reach this
  • find_asyncapisBrowse and filter every AsyncAPI spec in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This AsyncAPI spec
curl "https://apis.io/api/v1/asyncapis/horizon-blockchain-games-webhooks"
All asyncapi
curl "https://apis.io/api/v1/asyncapis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.