NEAR Protocol Query API

openapi: 3.0.3
info:
  description: Low-latency indexed account, token, and public-key lookup APIs for wallets and explorers. Embedded portal clients may forward an optional `apiKey` query parameter, but the public FastNEAR API does not require it.
  title: FastNEAR accounts Query API
  version: 3.0.3
servers:
- description: Mainnet
  url: https://api.fastnear.com
- description: Testnet
  url: https://test.api.fastnear.com
tags:
- name: Query
paths:
  /query:
    post:
      description: "This module allows you to make generic requests to the network.\n\nThe `RpcQueryRequest` struct takes in a [`BlockReference`](https://docs.rs/near-primitives/0.12.0/near_primitives/types/enum.BlockReference.html) and a [`QueryRequest`](https://docs.rs/near-primitives/0.12.0/near_primitives/views/enum.QueryRequest.html).\n\nThe `BlockReference` enum allows you to specify a block by `Finality`, `BlockId` or `SyncCheckpoint`.\n\nThe `QueryRequest` enum provides multiple variants for performing the following actions:\n - View an account's details\n - View a contract's code\n - View the state of an account\n - View the `AccessKey` of an account\n - View the `AccessKeyList` of an account\n - Call a function in a contract deployed on the network."
      operationId: query
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/JsonRpcRequest_for_query'
        required: true
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JsonRpcResponse_for_RpcQueryResponse_and_RpcQueryError'
      tags:
      - Query
components:
  schemas:
    PrepareError:
      description: Error that can occur while preparing or executing Wasm smart-contract.
      oneOf:
      - description: Error happened while serializing the module.
        enum:
        - Serialization
        type: string
      - description: Error happened while deserializing the module.
        enum:
        - Deserialization
        type: string
      - description: Internal memory declaration has been found in the module.
        enum:
        - InternalMemoryDeclared
        type: string
      - description: 'Gas instrumentation failed.


          This most likely indicates the module isn''t valid.'
        enum:
        - GasInstrumentation
        type: string
      - description: 'Stack instrumentation failed.


          This  most likely indicates the module isn''t valid.'
        enum:
        - StackHeightInstrumentation
        type: string
      - description: 'Error happened during instantiation.


          This might indicate that `start` function trapped, or module isn''t

          instantiable and/or un-linkable.'
        enum:
        - Instantiate
        type: string
      - description: Error creating memory.
        enum:
        - Memory
        type: string
      - description: Contract contains too many functions.
        enum:
        - TooManyFunctions
        type: string
      - description: Contract contains too many locals.
        enum:
        - TooManyLocals
        type: string
      - description: Contract contains too many tables.
        enum:
        - TooManyTables
        type: string
      - description: Contract contains too many table elements.
        enum:
        - TooManyTableElements
        type: string
      - description: A function body in the contract exceeds the size limit.
        enum:
        - FunctionBodyTooLarge
        type: string
      - description: The instrumented code exceeds the size limit.
        enum:
        - InstrumentedCodeTooLarge
        type: string
      - description: A function contains too many basic blocks.
        enum:
        - TooManyBlocksPerFunction
        type: string
      - description: A contract contains too many basic blocks.
        enum:
        - TooManyBlocksPerContract
        type: string
      - description: Contract declares too many entries in the wasm type section.
        enum:
        - TooManyTypes
        type: string
      - description: All contract functions combined have more than `max_params_per_contract` parameters.
        enum:
        - TooManyParamsPerFunction
        type: string
      - description: A function has more than `max_params_per_function` parameters.
        enum:
        - TooManyParamsPerContract
        type: string
      - description: 'A function''s max operand-stack size (in bytes) exceeds

          `max_operand_stack_bytes_per_function`.'
        enum:
        - OperandStackTooLarge
        type: string
    NearToken:
      type: string
    AccessKeyList:
      description: Lists access keys
      properties:
        keys:
          items:
            $ref: '#/components/schemas/AccessKeyInfoView'
          type: array
      required:
      - keys
      type: object
    StoreValue:
      description: 'This type is used to mark values returned from store (arrays of bytes).


        NOTE: Currently, this type is only used in the view_client and RPC to be able to transparently

        pretty-serialize the bytes arrays as base64-encoded strings (see `serialize.rs`).'
      format: bytes
      type: string
    Finality:
      description: Different types of finality.
      enum:
      - optimistic
      - near-final
      - final
      type: string
    FunctionArgs:
      description: 'This type is used to mark function arguments.


        NOTE: The main reason for this to exist (except the type-safety) is that the value is

        transparently serialized and deserialized as a base64-encoded string when serde is used

        (serde_json).'
      format: bytes
      type: string
    AccountId:
      $schema: https://json-schema.org/draft/2020-12/schema
      description: 'NEAR Account Identifier.


        This is a unique, syntactically valid, human-readable account identifier on the NEAR network.


        [See the crate-level docs for information about validation.](index.html#account-id-rules)


        Also see [Error kind precedence](AccountId#error-kind-precedence).


        ## Examples


        ```

        use near_account_id::AccountId;


        let alice: AccountId = "alice.near".parse().unwrap();


        assert!("ƒelicia.near".parse::<AccountId>().is_err()); // (ƒ is not f)

        ```'
      title: AccountId
      type: string
    HostError:
      oneOf:
      - description: String encoding is bad UTF-16 sequence
        enum:
        - BadUTF16
        type: string
      - description: String encoding is bad UTF-8 sequence
        enum:
        - BadUTF8
        type: string
      - description: Exceeded the prepaid gas
        enum:
        - GasExceeded
        type: string
      - description: Exceeded the maximum amount of gas allowed to burn per contract
        enum:
        - GasLimitExceeded
        type: string
      - description: Exceeded the account balance
        enum:
        - BalanceExceeded
        type: string
      - description: Tried to call an empty method name
        enum:
        - EmptyMethodName
        type: string
      - additionalProperties: false
        description: Smart contract panicked
        properties:
          GuestPanic:
            properties:
              panic_msg:
                type: string
            required:
            - panic_msg
            type: object
        required:
        - GuestPanic
        type: object
      - description: IntegerOverflow happened during a contract execution
        enum:
        - IntegerOverflow
        type: string
      - additionalProperties: false
        description: '`promise_idx` does not correspond to existing promises'
        properties:
          InvalidPromiseIndex:
            properties:
              promise_idx:
                format: uint64
                minimum: 0
                type: integer
            required:
            - promise_idx
            type: object
        required:
        - InvalidPromiseIndex
        type: object
      - description: Actions can only be appended to non-joint promise.
        enum:
        - CannotAppendActionToJointPromise
        type: string
      - description: Returning joint promise is currently prohibited
        enum:
        - CannotReturnJointPromise
        type: string
      - additionalProperties: false
        description: Accessed invalid promise result index
        properties:
          InvalidPromiseResultIndex:
            properties:
              result_idx:
                format: uint64
                minimum: 0
                type: integer
            required:
            - result_idx
            type: object
        required:
        - InvalidPromiseResultIndex
        type: object
      - additionalProperties: false
        description: Accessed invalid register id
        properties:
          InvalidRegisterId:
            properties:
              register_id:
                format: uint64
                minimum: 0
                type: integer
            required:
            - register_id
            type: object
        required:
        - InvalidRegisterId
        type: object
      - additionalProperties: false
        description: Iterator `iterator_index` was invalidated after its creation by performing a mutable operation on trie
        properties:
          IteratorWasInvalidated:
            properties:
              iterator_index:
                format: uint64
                minimum: 0
                type: integer
            required:
            - iterator_index
            type: object
        required:
        - IteratorWasInvalidated
        type: object
      - description: Accessed memory outside the bounds
        enum:
        - MemoryAccessViolation
        type: string
      - additionalProperties: false
        description: VM Logic returned an invalid receipt index
        properties:
          InvalidReceiptIndex:
            properties:
              receipt_index:
                format: uint64
                minimum: 0
                type: integer
            required:
            - receipt_index
            type: object
        required:
        - InvalidReceiptIndex
        type: object
      - additionalProperties: false
        description: Iterator index `iterator_index` does not exist
        properties:
          InvalidIteratorIndex:
            properties:
              iterator_index:
                format: uint64
                minimum: 0
                type: integer
            required:
            - iterator_index
            type: object
        required:
        - InvalidIteratorIndex
        type: object
      - description: VM Logic returned an invalid account id
        enum:
        - InvalidAccountId
        type: string
      - description: VM Logic returned an invalid method name
        enum:
        - InvalidMethodName
        type: string
      - description: VM Logic provided an invalid public key
        enum:
        - InvalidPublicKey
        type: string
      - additionalProperties: false
        description: '`method_name` is not allowed in view calls'
        properties:
          ProhibitedInView:
            properties:
              method_name:
                type: string
            required:
            - method_name
            type: object
        required:
        - ProhibitedInView
        type: object
      - additionalProperties: false
        description: The total number of logs will exceed the limit.
        properties:
          NumberOfLogsExceeded:
            properties:
              limit:
                format: uint64
                minimum: 0
                type: integer
            required:
            - limit
            type: object
        required:
        - NumberOfLogsExceeded
        type: object
      - additionalProperties: false
        description: The storage key length exceeded the limit.
        properties:
          KeyLengthExceeded:
            properties:
              length:
                format: uint64
                minimum: 0
                type: integer
              limit:
                format: uint64
                minimum: 0
                type: integer
            required:
            - length
            - limit
            type: object
        required:
        - KeyLengthExceeded
        type: object
      - additionalProperties: false
        description: The storage value length exceeded the limit.
        properties:
          ValueLengthExceeded:
            properties:
              length:
                format: uint64
                minimum: 0
                type: integer
              limit:
                format: uint64
                minimum: 0
                type: integer
            required:
            - length
            - limit
            type: object
        required:
        - ValueLengthExceeded
        type: object
      - additionalProperties: false
        description: The total log length exceeded the limit.
        properties:
          TotalLogLengthExceeded:
            properties:
              length:
                format: uint64
                minimum: 0
                type: integer
              limit:
                format: uint64
                minimum: 0
                type: integer
            required:
            - length
            - limit
            type: object
        required:
        - TotalLogLengthExceeded
        type: object
      - additionalProperties: false
        description: The maximum number of promises within a FunctionCall exceeded the limit.
        properties:
          NumberPromisesExceeded:
            properties:
              limit:
                format: uint64
                minimum: 0
                type: integer
              number_of_promises:
                format: uint64
                minimum: 0
                type: integer
            required:
            - number_of_promises
            - limit
            type: object
        required:
        - NumberPromisesExceeded
        type: object
      - additionalProperties: false
        description: The maximum number of input data dependencies exceeded the limit.
        properties:
          NumberInputDataDependenciesExceeded:
            properties:
              limit:
                format: uint64
                minimum: 0
                type: integer
              number_of_input_data_dependencies:
                format: uint64
                minimum: 0
                type: integer
            required:
            - number_of_input_data_dependencies
            - limit
            type: object
        required:
        - NumberInputDataDependenciesExceeded
        type: object
      - additionalProperties: false
        description: The returned value length exceeded the limit.
        properties:
          ReturnedValueLengthExceeded:
            properties:
              length:
                format: uint64
                minimum: 0
                type: integer
              limit:
                format: uint64
                minimum: 0
                type: integer
            required:
            - length
            - limit
            type: object
        required:
        - ReturnedValueLengthExceeded
        type: object
      - additionalProperties: false
        description: The contract size for DeployContract action exceeded the limit.
        properties:
          ContractSizeExceeded:
            properties:
              limit:
                format: uint64
                minimum: 0
                type: integer
              size:
                format: uint64
                minimum: 0
                type: integer
            required:
            - size
            - limit
            type: object
        required:
        - ContractSizeExceeded
        type: object
      - additionalProperties: false
        description: The host function was deprecated.
        properties:
          Deprecated:
            properties:
              method_name:
                type: string
            required:
            - method_name
            type: object
        required:
        - Deprecated
        type: object
      - additionalProperties: false
        description: General errors for ECDSA recover.
        properties:
          ECRecoverError:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - ECRecoverError
        type: object
      - additionalProperties: false
        description: 'Invalid input to alt_bn128 family of functions (e.g., point which isn''t

          on the curve).'
        properties:
          AltBn128InvalidInput:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - AltBn128InvalidInput
        type: object
      - additionalProperties: false
        description: 'Invalid input to ed25519 signature verification function (e.g. signature cannot be

          derived from bytes).'
        properties:
          Ed25519VerifyInvalidInput:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - Ed25519VerifyInvalidInput
        type: object
      - additionalProperties: false
        description: 'Input length mismatch for p256 signature verification (signature is not 64

          bytes or public key is not 33 bytes). Parse failures of otherwise

          well-sized inputs return 0 from the host function instead of aborting.'
        properties:
          P256VerifyInvalidInput:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - P256VerifyInvalidInput
        type: object
    ContractCodeView:
      description: A view of the contract code.
      properties:
        code_base64:
          type: string
        hash:
          $ref: '#/components/schemas/CryptoHash'
      required:
      - code_base64
      - hash
      type: object
    JsonRpcResponse_for_RpcQueryResponse_and_RpcQueryError:
      oneOf:
      - properties:
          result:
            $ref: '#/components/schemas/RpcQueryResponse'
        required:
        - result
        type: object
      - properties:
          error:
            $ref: '#/components/schemas/ErrorWrapper_for_RpcQueryError'
        required:
        - error
        type: object
      properties:
        id:
          type: string
        jsonrpc:
          type: string
      required:
      - jsonrpc
      - id
      title: JsonRpcResponse_for_RpcQueryResponse_and_RpcQueryError
      type: object
    AccessKeyView:
      description: Describes access key permission scope and nonce.
      properties:
        nonce:
          format: uint64
          minimum: 0
          type: integer
        permission:
          $ref: '#/components/schemas/AccessKeyPermissionView'
      required:
      - nonce
      - permission
      type: object
    CompilationError:
      oneOf:
      - additionalProperties: false
        properties:
          CodeDoesNotExist:
            properties:
              account_id:
                $ref: '#/components/schemas/AccountId'
            required:
            - account_id
            type: object
        required:
        - CodeDoesNotExist
        type: object
      - additionalProperties: false
        properties:
          PrepareError:
            $ref: '#/components/schemas/PrepareError'
        required:
        - PrepareError
        type: object
      - additionalProperties: false
        description: 'This is for defense in depth.

          We expect our runtime-independent preparation code to fully catch all invalid wasms,

          but, if it ever misses something we’ll emit this error'
        properties:
          WasmerCompileError:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - WasmerCompileError
        type: object
    ErrorWrapper_for_RpcQueryError:
      oneOf:
      - properties:
          cause:
            $ref: '#/components/schemas/RpcRequestValidationErrorKind'
          name:
            enum:
            - REQUEST_VALIDATION_ERROR
            type: string
        required:
        - name
        - cause
        type: object
      - properties:
          cause:
            $ref: '#/components/schemas/RpcQueryError'
          name:
            enum:
            - HANDLER_ERROR
            type: string
        required:
        - name
        - cause
        type: object
      - properties:
          cause:
            $ref: '#/components/schemas/InternalError'
          name:
            enum:
            - INTERNAL_ERROR
            type: string
        required:
        - name
        - cause
        type: object
    InternalError:
      oneOf:
      - properties:
          info:
            properties:
              error_message:
                type: string
            required:
            - error_message
            type: object
          name:
            enum:
            - INTERNAL_ERROR
            type: string
        required:
        - name
        - info
        type: object
    SyncCheckpoint:
      enum:
      - genesis
      - earliest_available
      type: string
    BlockReference:
      oneOf:
      - additionalProperties: false
        properties:
          block_id:
            $ref: '#/components/schemas/BlockId'
        required:
        - block_id
        type: object
      - additionalProperties: false
        properties:
          finality:
            $ref: '#/components/schemas/Finality'
        required:
        - finality
        type: object
      - additionalProperties: false
        properties:
          sync_checkpoint:
            $ref: '#/components/schemas/SyncCheckpoint'
        required:
        - sync_checkpoint
        type: object
    ShardId:
      description: 'The shard identifier. It may be an arbitrary number - it does not need to be

        a number in the range 0..NUM_SHARDS. The shard ids do not need to be

        sequential or contiguous.


        The shard id is wrapped in a new type to prevent the old pattern of using

        indices in range 0..NUM_SHARDS and casting to ShardId. Once the transition

        if fully complete it potentially may be simplified to a regular type alias.'
      format: uint64
      minimum: 0
      type: integer
    CallResult:
      description: A result returned by contract method
      properties:
        logs:
          items:
            type: string
          type: array
        result:
          items:
            format: uint8
            maximum: 255
            minimum: 0
            type: integer
          type: array
      required:
      - result
      - logs
      type: object
    PublicKeyHandle:
      type: string
    AccountView:
      description: A view of the account
      properties:
        amount:
          $ref: '#/components/schemas/NearToken'
        code_hash:
          $ref: '#/components/schemas/CryptoHash'
        global_contract_account_id:
          anyOf:
          - $ref: '#/components/schemas/AccountId'
          - enum:
            - null
            nullable: true
        global_contract_hash:
          anyOf:
          - $ref: '#/components/schemas/CryptoHash'
          - enum:
            - null
            nullable: true
        locked:
          $ref: '#/components/schemas/NearToken'
        storage_paid_at:
          default: 0
          description: 'TODO(2271): deprecated.'
          format: uint64
          minimum: 0
          type: integer
        storage_usage:
          format: uint64
          minimum: 0
          type: integer
      required:
      - amount
      - locked
      - code_hash
      - storage_usage
      type: object
    StoreKey:
      description: 'This type is used to mark keys (arrays of bytes) that are queried from store.


        NOTE: Currently, this type is only used in the view_client and RPC to be able to transparently

        pretty-serialize the bytes arrays as base64-encoded strings (see `serialize.rs`).'
      format: bytes
      type: string
    WasmTrap:
      description: A kind of a trap happened during execution of a binary
      oneOf:
      - description: An `unreachable` opcode was executed.
        enum:
        - Unreachable
        type: string
      - description: Call indirect incorrect signature trap.
        enum:
        - IncorrectCallIndirectSignature
        type: string
      - description: Memory out of bounds trap.
        enum:
        - MemoryOutOfBounds
        type: string
      - description: Call indirect out of bounds trap.
        enum:
        - CallIndirectOOB
        type: string
      - description: An arithmetic exception, e.g. divided by zero.
        enum:
        - IllegalArithmetic
        type: string
      - description: Misaligned atomic access trap.
        enum:
        - MisalignedAtomicAccess
        type: string
      - description: Indirect call to null.
        enum:
        - IndirectCallToNull
        type: string
      - description: Stack overflow.
        enum:
        - StackOverflow
        type: string
      - description: Generic trap.
        enum:
        - GenericTrap
        type: string
    FunctionCallError:
      description: 'Serializable version of `near-vm-runner::FunctionCallError`.


        Must never reorder/remove elements, can only add new variants at the end (but do that very

        carefully). It describes stable serialization format, and only used by serialization logic.'
      oneOf:
      - enum:
        - WasmUnknownError
        - _EVMError
        type: string
      - additionalProperties: false
        description: Wasm compilation error
        properties:
          CompilationError:
            $ref: '#/components/schemas/CompilationError'
        required:
        - CompilationError
        type: object
      - additionalProperties: false
        description: 'Wasm binary env link error


          Note: this is only to deserialize old data, use execution error for new data'
        properties:
          LinkError:
            properties:
              msg:
                type: string
            required:
            - msg
            type: object
        required:
        - LinkError
        type: object
      - additionalProperties: false
        description: Import/export resolve error
        properties:
          MethodResolveError:
            $ref: '#/components/schemas/MethodResolveError'
        required:
        - MethodResolveError
        type: object
      - additionalProperties: false
        description: 'A trap happened during execution of a binary


          Note: this is only to deserialize old data, use execution error for new data'
        properties:
          WasmTrap:
            $ref: '#/components/schemas/WasmTrap'
        required:
        - WasmTrap
        type: object
      - additionalProperties: false
        description: 'Note: this is only to deserialize old data, use execution error for new data'
        properties:
          HostError:
            $ref: '#/components/schemas/HostError'
        required:
        - HostError
        type: object
      - additionalProperties: false
        properties:
          ExecutionError:
            type: string
        required:
        - ExecutionError
        type: object
    AccessKeyInfoView:
      description: 'Describes information about an access key including its on-trie

        identifier. For ed25519/secp256k1 access keys the `public_key` field

        is the full public key (string form unchanged from before); for

        ML-DSA-65 access keys it is a `ml-dsa-65-hash:...` SHA3-256 digest

        (the full pubkey is not stored on-chain).'
      properties:
        access_key:
          $ref: '#/components/schemas/AccessKeyView'
        public_key:
          $ref: '#/components/schemas/PublicKeyHandle'
      required:
      - public_key
      - access_key
      type: object
    PublicKey:
      type: string
    JsonRpcRequest_for_query:
      properties:
        id:
          type: string
        jsonrpc:
          type: string
        method:
          enum:
          - query
          type: string
        params:
          $ref: '#/components/schemas/RpcQueryRequest'
      required:
      - jsonrpc
      - id
      - params
      - method
      title: JsonRpcRequest_for_query
      type: object
    StateItem:
      description: Item of the state, key and value are serialized in base64 and proof for inclusion of given state item.
      properties:
        key:
          $ref: '#/components/schemas/StoreKey'
        value:
          $ref: '#/components/schemas/StoreValue'
      required:
      - key
      - value
      type: object
    ViewStateResult:
      description: Resulting state values for a view state query request
      properties:
        last_key:
          anyOf:
          - $ref: '#/components/schemas/StoreKey'
          - enum:
            - null
            nullable: true
        proof:
          items:
            type: string
          type: array
        values:
          items:
            $ref: '#/components/schemas/StateItem'
          type: array
      required:
      - values
      type: object
    CryptoHash:
      type: string
    BlockId:
      anyOf:
      - format: uint64
        minimum: 0
        title: block_height
        type: integer
      - $ref: '#/components/schemas/CryptoHash'
    AccessKeyPermissionView:
      description: Describes the permission scope for an access key. Whether it is a function call or a full access key.
      oneOf:
      - enum:
        - FullAccess
        type: string
      - additionalProperties: false
        properties:
          FunctionCall:
            properties:
              allowance:
                anyOf:
                - $ref: '#/components/schemas/NearToken'
                - enum:
                  - null
                  nullable: true
              method_names:
                items:
                  type: string
                type: array
              receiver_id:
                type: string
            required:
            - receiver_id
            - method_names
            type: object
        required:
        - FunctionCall
        type: object
      - additionalProperties: false
        properties:
          GasKeyFunctionCall:
            properties:
              allowance:
                anyOf:
                - $ref: '#/components/schemas/NearToken'
                - enum:
                  - null
                  nullable: true
              balance:
                $ref: '#/components/schemas/NearToken'
              method_names:
                items:
                  type: string
                type: array
              num_nonces:
                format: uint16
                maximum: 65535
                minimum: 0
                type: integer
              receiver_id:
                type: string
            required:
            - balance
            - num_nonces
            - receiver_id
            - method_names
            type: object
        required:
        - GasKeyFunctionCall
        type: object
      - additionalProperties: false
        properties:
          GasKeyFullAccess:
            properties:
              balance:
                $ref: '#/components/schemas/NearToken'
              num_nonces:
                format: uint16
                maximum: 65535
                minimum: 0
                type: integer
            required:
            - balance
            - num_nonces
            type: object
        required:
        - GasKeyFullAccess
        type: object
    RpcQueryResponse:
      anyOf:
      - $ref: '#/components/schemas/AccountView'
      - $ref: '#/components/schemas/ContractCodeView'
      - $ref: '#/components/schemas/ViewStateResult'
      - $ref: '#/components/schemas/CallResult'
      - $ref: '#/components/schemas/AccessKeyView'
      - $ref: '#/components/schemas/AccessKeyList'
      - $ref: '#/components/schemas/GasKeyNoncesView'
      properties:
        block_hash:
          $ref: '#/components/schemas/CryptoHash'
        block_height:
          format: uint64
          minimum: 0
          type: integer
      required:
      - block_height
      - block_hash
      type: object
    GasKeyNoncesView:
 

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# Full source: https://raw.githubusercontent.com/api-evangelist/near/refs/heads/main/openapi/near-query-api-openapi.yml