Polkadot REST API Methods

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See the Polkadot RPC API connection guide.

`accounts`

Method	Notes	Compute Unit Value
`GET /v1/accounts/compare`	Returns the requested account comparison data.	5
`GET /v1/accounts/{accountId}/asset-approvals`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/asset-balances`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/balance-info`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/convert`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/foreign-asset-balances`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/pool-asset-approvals`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/pool-asset-balances`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/proxy-info`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/staking-info`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/staking-payouts`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/validate`	Returns account information for this endpoint.	5
`GET /v1/accounts/{accountId}/vesting-info`	Returns account information for this endpoint.	5

`ahm`

Method	Notes	Compute Unit Value
`GET /v1/ahm-info`	Returns AHM status information.	5

`blocks`

Method	Notes	Compute Unit Value
`GET /v1/blocks`	Returns a range of blocks.	50
`GET /v1/blocks/head`	Returns the most recently produced block.	5
`GET /v1/blocks/head/header`	Returns the header of the most recently produced block.	1
`GET /v1/blocks/{blockId}`	Returns a block identified by its hash, height, or a supported block tag.	5
`GET /v1/blocks/{blockId}/extrinsics-raw`	Returns the SCALE-encoded extrinsics for a block.	5
`GET /v1/blocks/{blockId}/extrinsics/{extrinsicIndex}`	Returns an extrinsic at the specified index in a block.	5
`GET /v1/blocks/{blockId}/header`	Returns the header for a block.	1
`GET /v1/blocks/{blockId}/para-inclusions`	Returns parachain-inclusion data for a relay-chain block.	5

`capabilities`

Method	Notes	Compute Unit Value
`POST /v1/capabilities`	Evaluates the requested API capabilities and returns supported capability information.	5

`coretime`

Method	Notes	Compute Unit Value
`GET /v1/coretime/info`	Returns Coretime info information.	5
`GET /v1/coretime/leases`	Returns Coretime leases information.	5
`GET /v1/coretime/overview`	Returns Coretime overview information.	5
`GET /v1/coretime/regions`	Returns Coretime regions information.	5
`GET /v1/coretime/renewals`	Returns Coretime renewals information.	5
`GET /v1/coretime/reservations`	Returns Coretime reservations information.	5

`health`

Method	Notes	Compute Unit Value
`GET /v1/health`	Returns the REST API health status.	5

`node`

Method	Notes	Compute Unit Value
`GET /v1/node/network`	Returns node network information.	5
`GET /v1/node/transaction-pool`	Returns pending extrinsics from the transaction pool.	10
`GET /v1/node/version`	Returns node version information.	5

`pallets`

Method	Notes	Compute Unit Value
`GET /v1/pallets/asset-conversion/liquidity-pools`	Returns asset-conversion liquidity-pool information.	5
`GET /v1/pallets/asset-conversion/next-available-id`	Returns the next available asset-conversion identifier.	5
`GET /v1/pallets/assets/{assetId}/asset-info`	Returns information and metadata for an asset.	5
`GET /v1/pallets/foreign-assets`	Returns foreign-asset information.	5
`GET /v1/pallets/nomination-pools/info`	Returns nomination-pool information.	5
`GET /v1/pallets/nomination-pools/{poolId}`	Returns nomination-pool information.	5
`GET /v1/pallets/on-going-referenda`	Returns the ongoing referenda.	5
`GET /v1/pallets/pool-assets/{assetId}/asset-info`	Returns information and metadata for a pool asset.	5
`GET /v1/pallets/staking/progress`	Returns staking-progress information.	10
`GET /v1/pallets/staking/validators`	Returns staking-validator information.	5
`GET /v1/pallets/{palletId}/consts`	Returns the constants defined by a pallet.	5
`GET /v1/pallets/{palletId}/consts/{constantItemId}`	Returns a constant defined by a pallet.	5
`GET /v1/pallets/{palletId}/dispatchables`	Returns the dispatchable calls defined by a pallet.	5
`GET /v1/pallets/{palletId}/dispatchables/{dispatchableItemId}`	Returns a dispatchable call defined by a pallet.	5
`GET /v1/pallets/{palletId}/errors`	Returns the errors defined by a pallet.	5
`GET /v1/pallets/{palletId}/errors/{errorItemId}`	Returns an error defined by a pallet.	5
`GET /v1/pallets/{palletId}/events`	Returns the events defined by a pallet.	5
`GET /v1/pallets/{palletId}/events/{eventItemId}`	Returns an event defined by a pallet.	5
`GET /v1/pallets/{palletId}/storage`	Returns the storage-item metadata for a pallet.	10
`GET /v1/pallets/{palletId}/storage/{storageItemId}`	Returns a storage item and its value for a pallet.	5

`paras`

Method	Notes	Compute Unit Value
`GET /v1/paras/{number}/inclusion`	Returns inclusion information for a parachain.	10

`rc`

Method	Notes	Compute Unit Value
`GET /v1/rc/accounts/{address}/balance-info`	Returns relay-chain account information for this endpoint.	5
`GET /v1/rc/accounts/{address}/proxy-info`	Returns relay-chain account information for this endpoint.	5
`GET /v1/rc/accounts/{address}/staking-info`	Returns relay-chain account information for this endpoint.	5
`GET /v1/rc/accounts/{address}/staking-payouts`	Returns relay-chain account information for this endpoint.	5
`GET /v1/rc/accounts/{address}/vesting-info`	Returns relay-chain account information for this endpoint.	5
`GET /v1/rc/blocks`	Returns relay-chain a range of blocks.	50
`GET /v1/rc/blocks/head`	Returns relay-chain the most recently produced block.	5
`GET /v1/rc/blocks/head/header`	Returns relay-chain the header of the most recently produced block.	1
`GET /v1/rc/blocks/{blockId}`	Returns relay-chain a block identified by its hash, height, or a supported block tag.	5
`GET /v1/rc/blocks/{blockId}/extrinsics-raw`	Returns relay-chain the SCALE-encoded extrinsics for a block.	5
`GET /v1/rc/blocks/{blockId}/extrinsics/{extrinsicIndex}`	Returns relay-chain an extrinsic at the specified index in a block.	5
`GET /v1/rc/blocks/{blockId}/header`	Returns relay-chain the header for a block.	1
`GET /v1/rc/blocks/{blockId}/para-inclusions`	Returns relay-chain parachain-inclusion data for a relay-chain block.	5
`GET /v1/rc/node/network`	Returns relay-chain node network information.	5
`GET /v1/rc/node/transaction-pool`	Returns relay-chain pending extrinsics from the transaction pool.	10
`GET /v1/rc/node/version`	Returns relay-chain node version information.	5
`GET /v1/rc/pallets/on-going-referenda`	Returns the ongoing referenda.	5
`GET /v1/rc/pallets/staking/progress`	Returns staking-progress information.	10
`GET /v1/rc/pallets/staking/validators`	Returns staking-validator information.	5
`GET /v1/rc/pallets/{palletId}/consts`	Returns the constants defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/consts/{constantItemId}`	Returns a constant defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/dispatchables`	Returns the dispatchable calls defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/dispatchables/{dispatchableItemId}`	Returns a dispatchable call defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/errors`	Returns the errors defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/errors/{errorItemId}`	Returns an error defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/events`	Returns the events defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/events/{eventItemId}`	Returns an event defined by a pallet.	5
`GET /v1/rc/pallets/{palletId}/storage`	Returns the storage-item metadata for a pallet.	10
`GET /v1/rc/pallets/{palletId}/storage/{storageItemId}`	Returns a storage item and its value for a pallet.	5
`GET /v1/rc/runtime/code`	Returns relay-chain the current runtime Wasm code.	1
`GET /v1/rc/runtime/metadata`	Returns relay-chain the current runtime metadata.	1
`GET /v1/rc/runtime/metadata/versions`	Returns relay-chain the runtime metadata versions supported by the node.	1
`GET /v1/rc/runtime/metadata/{metadataVersion}`	Returns relay-chain runtime metadata encoded at a requested metadata version.	1
`GET /v1/rc/runtime/spec`	Returns relay-chain the current runtime specification information.	1
`POST /v1/rc/transaction`	Submits an encoded transaction to the node.	50
`POST /v1/rc/transaction/dry-run`	Simulates an encoded transaction without broadcasting it.	5
`POST /v1/rc/transaction/fee-estimate`	Returns relay-chain the estimated fee for an encoded transaction.	10
`GET /v1/rc/transaction/material`	Returns relay-chain the material required to construct a transaction.	5
`GET /v1/rc/transaction/material/{metadataVersion}`	Returns relay-chain transaction-construction material for a metadata version.	5

`runtime`

Method	Notes	Compute Unit Value
`GET /v1/runtime/code`	Returns the current runtime Wasm code.	1
`GET /v1/runtime/metadata`	Returns the current runtime metadata.	1
`GET /v1/runtime/metadata/versions`	Returns the runtime metadata versions supported by the node.	1
`GET /v1/runtime/metadata/{metadataVersion}`	Returns runtime metadata encoded at a requested metadata version.	1
`GET /v1/runtime/spec`	Returns the current runtime specification information.	1

`transaction`

Method	Notes	Compute Unit Value
`POST /v1/transaction`	Submits an encoded transaction to the node.	50
`POST /v1/transaction/dry-run`	Simulates an encoded transaction without broadcasting it.	5
`POST /v1/transaction/fee-estimate`	Returns the estimated fee for an encoded transaction.	10
`GET /v1/transaction/material`	Returns the material required to construct a transaction.	5
`GET /v1/transaction/material/{metadataVersion}`	Returns transaction-construction material for a metadata version.	5
`POST /v1/transaction/metadata-blob`	Creates a metadata blob for transaction construction.	5
`POST /v1/transaction/parse`	Parses an encoded transaction.	5