Quick links for Builders

NEW

Developer Passes are now available for Chainlink SmartCon. Get yours today.

Report Schema

Data Streams feeds have the following values specifically applicable to market pricing data. Current Data Streams feeds adhere to the schema outlined below:

Value	Type	Description
`feedID`	`bytes32`	The unique identifier for the Data Streams feed
`validFromTimestamp`	`uint32`	The earliest timestamp during which the price is valid
`observationsTimestamp`	`uint32`	The latest timestamp during which the price is valid
`nativeFee`	`uint192`	The cost to verify this report onchain when paying with the blockchain's native token
`linkFee`	`uint192`	The cost to verify this report onchain when paying with LINK
`expiresAt`	`uint32`	The expiration date of this report
`price`	`int192`	The DON's consensus median price for this report carried to 18 decimal places
`bid`	`int192`	The simulated price impact of a buy order up to the X% depth of liquidity usage
`ask`	`int192`	Simulated price impact of a sell order up to the X% depth of liquidity usage

Note: Future Data Streams feeds may use different report schemas.