FAQ

These FAQs are a self-serve support resource for the Covalent API and organized into the following sections:

  1. General Use

  2. Class A Endpoints

  3. Class B Endpoints

  4. Pricing Endpoints

  5. Miscellaneous

General Use

How do you query an endpoint?

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What can you build using the API?

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When should you use Basic Auth over authenticating via query parameter?

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What's the chain_id?

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What are the current API rate limits?

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What if you need a higher API rate limit?

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Why do you only get back 100 items (or rows) of data?

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What do the following error messages mean in the context of the Covalent API?

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How do you get data in CSV format?

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Class A Endpoints

Why is the logo_url missing in the response of Get token balances for address?

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Why are some NFT collections not found using the Get historical data for NFT collection endpoint, even though they're found using the Get NFT external metadata for contract?

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Why does the call to Get token balances for address sometimes timeout when using the nft=true option?

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What's a "dust" token?

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How does Covalent determine if an address is involved in a transaction?

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Class B Endpoints

Why are there data issues with the PancakeSwap endpoints?

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Pricing Endpoints

Why are the token quote rates different than the rates from another provider like CoinGecko?

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Why are quote_rates for some tokens unusually high?

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Miscellaneous

What does the message "Support for chain 'klaytn-mainnet' has been sunsetted"?

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How do you contact Developer Support when you're stuck?

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