Sequence Public API
Endpoints accessible by passing your project-access-key in the header. This is injected whenever you login automatically.
Endpoints accessible by passing your project-access-key in the header. This is injected whenever you login automatically.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
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.curl "https://apis.io/api/v1/apis/sequence-public-api"
curl "https://apis.io/api/v1/apis?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
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.
A second provider on the same verified email joins the account you already have.
openapi: 3.2.0
info:
title: Sequence Public API
version: 0.0.1
description: 'Operations tagged public across 2 of this provider''s published API definitions: sequence-indexer.json, sequence-metadata.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://amoy-indexer.sequence.app
description: Amoy Mainnet
- url: https://apechain-mainnet-indexer.sequence.app
description: Apechain-Mainnet Mainnet
- url: https://apechain-testnet-indexer.sequence.app
description: Apechain-Testnet Mainnet
- url: https://arbitrum-indexer.sequence.app
description: Arbitrum Mainnet
- url: https://arbitrum-nova-indexer.sequence.app
description: Arbitrum-Nova Mainnet
- url: https://arbitrum-sepolia-indexer.sequence.app
description: Arbitrum-Sepolia Mainnet
- url: https://astar-zkevm-indexer.sequence.app
description: Astar-Zkevm Mainnet
- url: https://astar-zkyoto-indexer.sequence.app
description: Astar-Zkyoto Mainnet
- url: https://avalanche-indexer.sequence.app
description: Avalanche Mainnet
- url: https://avalanche-testnet-indexer.sequence.app
description: Avalanche-Testnet Mainnet
- url: https://b3-indexer.sequence.app
description: B3 Mainnet
- url: https://b3-sepolia-indexer.sequence.app
description: B3-Sepolia Mainnet
- url: https://base-indexer.sequence.app
description: Base Mainnet
- url: https://base-sepolia-indexer.sequence.app
description: Base-Sepolia Mainnet
- url: https://blast-indexer.sequence.app
description: Blast Mainnet
- url: https://blast-sepolia-indexer.sequence.app
description: Blast-Sepolia Mainnet
- url: https://borne-testnet-indexer.sequence.app
description: Borne-Testnet Mainnet
- url: https://bsc-indexer.sequence.app
description: Bsc Mainnet
- url: https://bsc-testnet-indexer.sequence.app
description: Bsc-Testnet Mainnet
- url: https://gnosis-indexer.sequence.app
description: Gnosis Mainnet
- url: https://homeverse-indexer.sequence.app
description: Homeverse Mainnet
- url: https://homeverse-testnet-indexer.sequence.app
description: Homeverse-Testnet Mainnet
- url: https://immutable-zkevm-indexer.sequence.app
description: Immutable-Zkevm Mainnet
- url: https://immutable-zkevm-testnet-indexer.sequence.app
description: Immutable-Zkevm-Testnet Mainnet
- url: https://imx-indexer.sequence.app
description: Imx Mainnet
- url: https://imx-testnet-indexer.sequence.app
description: Imx-Testnet Mainnet
- url: https://mainnet-indexer.sequence.app
description: Mainnet Mainnet
- url: https://optimism-indexer.sequence.app
description: Optimism Mainnet
- url: https://optimism-sepolia-indexer.sequence.app
description: Optimism-Sepolia Mainnet
- url: https://polygon-indexer.sequence.app
description: Polygon Mainnet
- url: https://polygon-zkevm-indexer.sequence.app
description: Polygon-Zkevm Mainnet
- url: https://rootnet-indexer.sequence.app
description: Rootnet Mainnet
- url: https://rootnet-porcini-indexer.sequence.app
description: Rootnet-Porcini Mainnet
- url: https://sepolia-indexer.sequence.app
description: Sepolia Mainnet
- url: https://skale-nebula-testnet-indexer.sequence.app
description: Skale-Nebula-Testnet Mainnet
- url: https://soneium-minato-indexer.sequence.app
description: Soneium-Minato Mainnet
- url: https://toy-testnet-indexer.sequence.app
description: Toy-Testnet Mainnet
- url: https://xai-indexer.sequence.app
description: Xai Mainnet
- url: https://xai-sepolia-indexer.sequence.app
description: Xai-Sepolia Mainnet
- url: https://xr-sepolia-indexer.sequence.app
description: Xr-Sepolia Mainnet
- url: https://metadata.sequence.app/
description: Metadata
tags:
# --- truncated at 32 KB (216 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/sequence/refs/heads/main/openapi/sequence-public-api-openapi.yml