Endpoint Playground

Try the List the chains OpenSea indexes API

Returns every blockchain OpenSea indexes, with its identifier, display name, and architecture. The identifiers are the accepted values for the `chain` path parameter on the item endpoints.

What a live request returned

14 Oct 2026: 29 chains; 3 fields had a value in every checked item.

Observed request: GET /opensea/chains
Fields with a value in every checked item: identifier, name, arch

Sample value profiles: arch: EVM (28), SVM (1); identifier: “ethereum” and 28 other values; name: “Ethereum” and 28 other values.

Request: GET /opensea/chains
Cost: 1 credit/request
Auth: apiKey
Checks passed, 7 days to 14 Oct 2026: 99.9%, median 1.84 s
Monitored request: GET /opensea/chains

List the chains OpenSea indexes API documentation OpenSea platform page Pricing

Prefilled cURL

curl 'https://api.crawlora.net/api/v1/opensea/chains' \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters

No request parameters

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "chains": [
      {
        "identifier": "ethereum",
        "name": "Ethereum",
        "arch": "EVM"
      },
      {
        "identifier": "solana",
        "name": "Solana",
        "arch": "SVM"
      },
      {
        "identifier": "base",
        "name": "Base",
        "arch": "EVM"
      },
      {
        "identifier": "polygon",
        "name": "Polygon",
        "arch": "EVM"
      }
    ]
  }
}

More OpenSea endpoints

List marketplace-wide OpenSea activity List OpenSea's browse categories Get an OpenSea collection List an OpenSea collection's marketplace activity List an OpenSea collection's best-value listings Get an OpenSea collection's price or volume history Get an OpenSea collection's order book List an OpenSea collection's holders List items in an OpenSea collection List an OpenSea collection's offer book List an OpenSea collection's rarest listed items Search items inside an OpenSea collection All 36 OpenSea endpoints

The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.

Set up API key Endpoint docs

Endpoint

Choose one catalog endpoint for this request.

1 shown

Group

Method

Auth

Endpoint

GETapiKey1 credit/requestopensea.chainsResponseDocOpenSea

GET /opensea/chains

List the chains OpenSea indexes

Returns every blockchain OpenSea indexes, with its identifier, display name, and architecture. The identifiers are the accepted values for the `chain` path parameter on the item endpoints.

API key required. Paste a full key or rotate one from the API Keys page.

Set up API key

View docs

API key

API key required for live requests. Your key is only used to send requests from this Playground.

not configured

Active Playground key: not configured

Manage API keys in Console

Add an API key to send a live request.

If an active API key is configured, Copy cURL includes it. Share links never include API keys.

View docs

Sample responseGET

Shown before your first request. Add an API key and send a request to see the live response, status, latency, and headers.

{
  "code": 200,
  "msg": "OK",
  "data": {
    "chains": [
      {
        "identifier": "ethereum",
        "name": "Ethereum",
        "arch": "EVM"
      },
      {
        "identifier": "solana",
        "name": "Solana",
        "arch": "SVM"
      },
      {
        "identifier": "base",
        "name": "Base",
        "arch": "EVM"
      },
      {
        "identifier": "polygon",
        "name": "Polygon",
        "arch": "EVM"
      }
    ]
  }
}

Endpoint Playground

Try the List the chains OpenSea indexes API

Returns every blockchain OpenSea indexes, with its identifier, display name, and architecture. The identifiers are the accepted values for the `chain` path parameter on the item endpoints.

What a live request returned

14 Oct 2026: 29 chains; 3 fields had a value in every checked item.

Observed request: GET /opensea/chains
Fields with a value in every checked item: identifier, name, arch

Sample value profiles: arch: EVM (28), SVM (1); identifier: “ethereum” and 28 other values; name: “Ethereum” and 28 other values.

Request: GET /opensea/chains
Cost: 1 credit/request
Auth: apiKey
Checks passed, 7 days to 14 Oct 2026: 99.9%, median 1.84 s
Monitored request: GET /opensea/chains

List the chains OpenSea indexes API documentation OpenSea platform page Pricing

Prefilled cURL

curl 'https://api.crawlora.net/api/v1/opensea/chains' \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters

No request parameters

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "chains": [
      {
        "identifier": "ethereum",
        "name": "Ethereum",
        "arch": "EVM"
      },
      {
        "identifier": "solana",
        "name": "Solana",
        "arch": "SVM"
      },
      {
        "identifier": "base",
        "name": "Base",
        "arch": "EVM"
      },
      {
        "identifier": "polygon",
        "name": "Polygon",
        "arch": "EVM"
      }
    ]
  }
}

More OpenSea endpoints

The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.

Set up API key Endpoint docs

Endpoint

Choose one catalog endpoint for this request.

1 shown

Group

Method

Auth

Endpoint

GETapiKey1 credit/requestopensea.chainsResponseDocOpenSea

GET /opensea/chains

List the chains OpenSea indexes

Returns every blockchain OpenSea indexes, with its identifier, display name, and architecture. The identifiers are the accepted values for the `chain` path parameter on the item endpoints.

API key required. Paste a full key or rotate one from the API Keys page.

Set up API key

View docs

API key

API key required for live requests. Your key is only used to send requests from this Playground.

not configured

Active Playground key: not configured

Manage API keys in Console

Add an API key to send a live request.

If an active API key is configured, Copy cURL includes it. Share links never include API keys.

View docs

Sample responseGET

Shown before your first request. Add an API key and send a request to see the live response, status, latency, and headers.

{
  "code": 200,
  "msg": "OK",
  "data": {
    "chains": [
      {
        "identifier": "ethereum",
        "name": "Ethereum",
        "arch": "EVM"
      },
      {
        "identifier": "solana",
        "name": "Solana",
        "arch": "SVM"
      },
      {
        "identifier": "base",
        "name": "Base",
        "arch": "EVM"
      },
      {
        "identifier": "polygon",
        "name": "Polygon",
        "arch": "EVM"
      }
    ]
  }
}