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Core Scan API FAQs


1. What is the Core Scan API?​

We've developed the Core Scan Open API to give developers direct access to Core Scan's block explorer data and services. Core Scan's APIs are provided as a community service and without warranty; please use only what you need.

Check out the full API docs available here.

2. How can I access the Core Scan API?​

To access the Core Scan API, you need to have an account registered on the Core Scan. Refer to here for a detailed guide on this topic. Additionally, you will need to generate an API key using the registered account; refer to the detailed guide here.

3. How to create API Keys for use with the Core Scan API?​

To generate API keys using a registered account on Core Scan, refer to the detailed guide here.

4. My API keys are not working; what should I do to resolve the issue?​

A technical glitch may have occurred in the key creation process. In this case, try deleting the key and generating a new one.​ If the issue persists after using a freshly generated key, contact us on our official Discord server.

5. Is there a rate limit on Core Scan API requests?​

Yes, there are fixed rate limits on API requests based on the API tier. To avoid rate limit errors, adhere to your available plan by waiting for a certain amount of time before each request. If you are using a script or application, apply throttling to limit the frequency of calls.

API TierRate Limit
Free5 calls/second, up to 10,000 calls/day

6. Are there any rate limits on the Staking API endpoints?​

Yes, the Staking API endpoints have a rate limit of 600 transactions per minute per IP.

7. What is the status code of an API if an error occurs?​

An API call that encounters an error will return 0 as its status code and display the cause of the error in the result field.

{
"status":"0",
"message":"NOTOK",
"result":"Max rate limit reached"
}

8. What should I do if I encounter issues or bugs with the API?​

Refer to official API documentation for Common issues messages. If the problem persists, contact us on our official Discord server.