Helius

Helius Webhooks API

Configure real-time blockchain notifications for any Solana address, transaction type, or on-chain event with customizable delivery options.

GitHub OpenAPI

Operations 6

GET /v0/webhooks Returns all webhooks #
POST /v0/webhooks Creates a webhook #
GET /v0/webhooks/{webhookID} Returns given Webhook #
PUT /v0/webhooks/{webhookID} Edits a webhook #
DELETE /v0/webhooks/{webhookID} Deletes a webhook #
PATCH /v0/webhooks/{webhookID} Toggle a webhook on or off #

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/helius/refs/heads/main/openapi/helius-webhooks-api-openapi.yml

Work with this as data

Every API 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 apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • 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 API 
curl "https://apis.io/api/v1/apis/helius-webhooks-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

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

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

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

OpenAPI Specification

helius-webhooks-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Helius API Catalog Webhooks API
  version: 1.0.0
  summary: Machine-readable discovery document for every Helius API surface on Solana.
  description: This document is a discovery catalog — not an operational spec.
  contact:
    name: Helius Support
    url: https://www.helius.dev/contact
    email: support@helius.dev
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: https://mainnet.helius-rpc.com
  description: Solana mainnet RPC endpoint (Solana RPC, DAS, Priority Fee, ZK Compression)
- url: https://devnet.helius-rpc.com
  description: Solana devnet RPC endpoint
- url: https://sender.helius-rpc.com
  description: Helius Sender — global transaction submission
- url: https://api.helius.xyz
  description: Helius REST APIs (Wallet API, Enhanced API, Webhooks)
- url: https://admin-api.helius.xyz
  description: Helius Admin API — project usage and billing
- url: https://api-mainnet.helius-rpc.com
  description: Mainnet RPC endpoint
- url: https://api-devnet.helius-rpc.com
  description: Devnet RPC endpoint
- url: http://slc-sender.helius-rpc.com
  description: Salt Lake City
- url: http://ewr-sender.helius-rpc.com
  description: Newark
- url: http://lon-sender.helius-rpc.com
  description: London
- url: http://fra-sender.helius-rpc.com
  description: Frankfurt
- url: http://ams-sender.helius-rpc.com
  description: Amsterdam
- url: http://sg-sender.helius-rpc.com
  description: Singapore
- url: http://tyo-sender.helius-rpc.com
  description: Tokyo
tags:


# --- truncated at 32 KB (39 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/helius/refs/heads/main/openapi/helius-webhooks-api-openapi.yml