MonopolX Contracts API v1 (Alpha)¶

Contracts¶

Manage contracts

Get¶

Get a contract by its id and tenant id.

Output: Contract¶

DeviceInfo aka. Geräteinfosatz.

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the contract belongs to.
*id¶	string	string min. length: `1`	The contract's ID in the tenant's scope.
installation¶	enpowerx.types.TenantScopedResource		Installation number of a device.
external_contract_number¶	string		The external contract id to the tenant.
type¶	Type		Type of the contract.
customer_businesspartner_number¶	string		Id of the customer business partner.
supplier_businesspartner_number¶	string		Id of the supplier business partner.
filing_cancellation_date¶	google.type.Date		Date of filing the contract cancellation.
cancelling_entity¶	CancelledBy		The entity who cancelled the contract.
cancellation_reason¶	string		Reason for cancellation.
revoked_date¶	google.type.Date		The date the contract was revoked.
effective_revocation_date¶	google.type.Date		The effective date the contract was revoked.
different_invoice_receiver¶	enpowerx.types.TenantScopedResource		A differing invoice receiver if any.
commodity¶	Commodity	enum defined only enum not in: `[0]`	The provided energy type to this contract.
start_date¶	google.type.Date		Start date of the contract.
end_date¶	google.type.Date		Contractual end date to the contract.
regular_reading_network_operator_date¶	google.type.Date		The regular reading date by network operator.
regular_reading_supplier_date¶	google.type.Date		The regular reading date by supplier business partner.
state¶	Contract.State		The current contract state.
*source¶	string		The source of the contract.
*bank_data_number¶	int64		The bank id attached to this contract.

Create¶

Create a contract by its id and tenant id.

Input: Contract¶

DeviceInfo aka. Geräteinfosatz.

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the contract belongs to.
*id¶	string	string min. length: `1`	The contract's ID in the tenant's scope.
installation¶	enpowerx.types.TenantScopedResource		Installation number of a device.
external_contract_number¶	string		The external contract id to the tenant.
type¶	Type		Type of the contract.
customer_businesspartner_number¶	string		Id of the customer business partner.
supplier_businesspartner_number¶	string		Id of the supplier business partner.
filing_cancellation_date¶	google.type.Date		Date of filing the contract cancellation.
cancelling_entity¶	CancelledBy		The entity who cancelled the contract.
cancellation_reason¶	string		Reason for cancellation.
revoked_date¶	google.type.Date		The date the contract was revoked.
effective_revocation_date¶	google.type.Date		The effective date the contract was revoked.
different_invoice_receiver¶	enpowerx.types.TenantScopedResource		A differing invoice receiver if any.
commodity¶	Commodity	enum defined only enum not in: `[0]`	The provided energy type to this contract.
start_date¶	google.type.Date		Start date of the contract.
end_date¶	google.type.Date		Contractual end date to the contract.
regular_reading_network_operator_date¶	google.type.Date		The regular reading date by network operator.
regular_reading_supplier_date¶	google.type.Date		The regular reading date by supplier business partner.
state¶	Contract.State		The current contract state.
*source¶	string		The source of the contract.
*bank_data_number¶	int64		The bank id attached to this contract.

Output: Contract¶

DeviceInfo aka. Geräteinfosatz.

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the contract belongs to.
*id¶	string	string min. length: `1`	The contract's ID in the tenant's scope.
installation¶	enpowerx.types.TenantScopedResource		Installation number of a device.
external_contract_number¶	string		The external contract id to the tenant.
type¶	Type		Type of the contract.
customer_businesspartner_number¶	string		Id of the customer business partner.
supplier_businesspartner_number¶	string		Id of the supplier business partner.
filing_cancellation_date¶	google.type.Date		Date of filing the contract cancellation.
cancelling_entity¶	CancelledBy		The entity who cancelled the contract.
cancellation_reason¶	string		Reason for cancellation.
revoked_date¶	google.type.Date		The date the contract was revoked.
effective_revocation_date¶	google.type.Date		The effective date the contract was revoked.
different_invoice_receiver¶	enpowerx.types.TenantScopedResource		A differing invoice receiver if any.
commodity¶	Commodity	enum defined only enum not in: `[0]`	The provided energy type to this contract.
start_date¶	google.type.Date		Start date of the contract.
end_date¶	google.type.Date		Contractual end date to the contract.
regular_reading_network_operator_date¶	google.type.Date		The regular reading date by network operator.
regular_reading_supplier_date¶	google.type.Date		The regular reading date by supplier business partner.
state¶	Contract.State		The current contract state.
*source¶	string		The source of the contract.
*bank_data_number¶	int64		The bank id attached to this contract.

Update¶

Update a contract.

Input: UpdateContractRequest¶

Field	Type	Rules	Description
*contract¶	Contract		The contract to create.
*update_mask¶	google.protobuf.FieldMask		The update mask applies to the resource. For the `FieldMask` definition, see https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask

Output: Contract¶

DeviceInfo aka. Geräteinfosatz.

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the contract belongs to.
*id¶	string	string min. length: `1`	The contract's ID in the tenant's scope.
installation¶	enpowerx.types.TenantScopedResource		Installation number of a device.
external_contract_number¶	string		The external contract id to the tenant.
type¶	Type		Type of the contract.
customer_businesspartner_number¶	string		Id of the customer business partner.
supplier_businesspartner_number¶	string		Id of the supplier business partner.
filing_cancellation_date¶	google.type.Date		Date of filing the contract cancellation.
cancelling_entity¶	CancelledBy		The entity who cancelled the contract.
cancellation_reason¶	string		Reason for cancellation.
revoked_date¶	google.type.Date		The date the contract was revoked.
effective_revocation_date¶	google.type.Date		The effective date the contract was revoked.
different_invoice_receiver¶	enpowerx.types.TenantScopedResource		A differing invoice receiver if any.
commodity¶	Commodity	enum defined only enum not in: `[0]`	The provided energy type to this contract.
start_date¶	google.type.Date		Start date of the contract.
end_date¶	google.type.Date		Contractual end date to the contract.
regular_reading_network_operator_date¶	google.type.Date		The regular reading date by network operator.
regular_reading_supplier_date¶	google.type.Date		The regular reading date by supplier business partner.
state¶	Contract.State		The current contract state.
*source¶	string		The source of the contract.
*bank_data_number¶	int64		The bank id attached to this contract.

CancelledBy¶

Name	Number	Description
CANCELLED_BY_UNSPECIFIED	0	Contract was cancelled by an unknown entity.
AGENT	1	Contract was cancelled by Agent.
PROVIDER	2	Contract was cancelled by Provider.
SYSTEM	3	Contract was cancelled by System.

Commodity¶

Name	Number	Description
COMMODITY_UNSPECIFIED	0	Contract is related to an unspecified energy type.
WATER	1	Contract is related to water as energy type.
WATERSEWAGE	2	Contract is related to water sewage as energy type.
HEAT	3	Contract is related to heat as energy type.

Contract.State¶

Name	Number	Description
STATE_UNSPECIFIED	0	Contract state is unspecified.
ACTIVE	1	Contract is active.
CANCELLED	2	Contract has been cancelled.
TERMINATED	3	Contract has been terminated.
EXPIRED	4	Contract has expired.

Type¶

Name	Number	Description
TYPE_UNSPECIFIED	0	Contract type is unspecified.
TBD	1	Contract is TBD.

Shared Types¶

Amount¶

Field	Type	Description
unit¶	string	The unit of the amount. E.g.'kWh' or 'PCS' for pieces.
units¶	int64	The whole units of the amount. For example if `unit` is `"PCS"`, then 1 unit is one piece.
nanos¶	int32	Number of nano (10^-9) units of the amount. The value must be between -999,999,999 and +999,999,999 inclusive. If `units` is positive, `nanos` must be positive or zero. If `units` is zero, `nanos` can be positive, zero, or negative. If `units` is negative, `nanos` must be negative or zero. For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.

BankAccount¶

Information about a bank account.

Field	Type	Rules	Description
*iban¶	string	string pattern: `^[A-Z]{2}[0-9]{2}[a-zA-Z0-9]{4}[0-9]{7}([a-zA-Z0-9]?){0,16}$`	The International Bank Account Number.
bic¶	string		The Bank Identifier Code.
account_holder¶	string		The name of the account holder.
bank¶	string		The name of the bank.

CustomerType¶

Represents the kind of the customer.

Name	Number	Description
CUSTOMER_TYPE_UNSPECIFIED	0	The customer type is unspecified.
PRIVATE	1	The customer type is private.
BUSINESS	2	The customer type is business.
BOTH	3	The customer type is private and business.

DateRange¶

Represents a range of dates.

Field	Type	Rules	Description
*start¶	google.type.Date	message required	The start date.
end¶	google.type.Date		The end date.

DateTimeRange¶

Represents a range of date times.

Field	Type	Rules	Description
*start¶	google.protobuf.Timestamp	timestamp required	The start date.
end¶	google.protobuf.Timestamp		The end date.

Decimal¶

Field	Type	Rules	Description
units¶	int64		The whole units of the amount.
nanos¶	int32		Number of nano (10^-9) units of the amount. The value must be between -999,999,999 and +999,999,999 inclusive. If `units` is positive, `nanos` must be positive or zero. If `units` is zero, `nanos` can be positive, zero, or negative. If `units` is negative, `nanos` must be negative or zero. For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.

Billing¶

Billing details.

Field	Type	Rules	Description
*contact¶	Contact	message required	The contact to send invoices to.
*payment_method¶	PaymentMethod	enum defined only enum not in: `[0]`	The payment method method.
bank_account¶	BankAccount		The bank account used if `payment_method` is `DIRECT_DEBIT`.

CommunicationChannel¶

Communication channel.

Name	Number	Description
COMMUNICATION_CHANNEL_UNSPECIFIED	0	Channel not specified.
LETTER	1	Send messages via letter.
EMAIL	2	Send messages via email.
SMS	3	Send messages via SMS.
MESSENGER	4	Send messages via messenger apps like WhatsApp.
PHONE	5	Communicate via telephone.

Contact¶

Contact details (postal, phone, etc.).

Field	Type	Rules	Description
*person¶	Person	message required	Information on how to address the contact.
postal_address¶	PostalAddress		The contact's postal address.
phone_number¶	string	string pattern: `^$\\|^[\\+0][\\d\\s\$\$\\/-]+$`	The phone number of the contact. Values are normalized into the form `+123456789`.
email¶	string	string email string ignore empty	The email address of the contact.
careof¶	Person		A person that may receive communication in the name of the actual recipient (e.g. a "C/O" line added to the postal address).

Reading¶

Information about a reading.

Field	Type	Rules	Description
*date¶	google.type.Date	message skip message required	The date when the reading was taken.
channel¶	Reading.Channel		How the reading was reported. This is value is ignored when submitting via `AddMine`.
*values¶	Reading.ValuesEntry	map keys string min. length: `1` map values double >: `0` repeated	A map of values to submit with OBIS codes as the key.
ignore_plausibility_check_reason¶	google.protobuf.StringValue		If set the meter reading(s) will be saved, even if they're not plausible. Specifies the reason why the plausibility check is to be ignored.

Reading.ValuesEntry¶

Field	Type	Rules	Description
key¶	string
value¶	double

Reading.Channel¶

Name	Number	Description
CHANNEL_UNSPECIFIED	0	No channel specified.
PORTAL	1	Reported via end-user portal.
EMAIL	2	Reported via email.
LETTER	3	Reported via letter.
PHONE	4	Reported via phone call.
MSCONS	5	Reported via Metered Services Consumption report message.

Relocation¶

Information about the relocation of an contract.

Field	Type	Rules	Description
*contract¶	string	string min. length: `1`	The contract's ID this request is targeting.
*moveout_date¶	google.type.Date	message skip message required	The move-out date.
*movein_date¶	google.type.Date	message skip message required	The move-in date.
*delivery¶	EnergyDelivery	message required	Which kind and amount of energy is to be delivered to where.
*use_new_address¶	Relocation.UseNewAddress	enum defined only enum not in: `[0]`	Use the new address as postal and billing address.
*meter¶	string	string min. length: `1`	The ID of the meter at the new consumption point.
last_reading¶	Reading		The last reading at the old consumption point.
old_meter¶	string		The ID of the meter at the old consumption point. Optional, must be set if a last reading is provided.

Relocation.UseNewAddress¶

Name	Number	Description
USE_NEW_ADDRESS_UNSPECIFIED	0	Use unspecified.
NO	1	Use not desired.
IMMEDIATELY	2	Use immediately desired.
ON_MOVE_IN	3	Use on moving in desired.

SalesInfo¶

Information on how a sale was made.

Field	Type	Description
sales_partner_code¶	string	Direct sales partner code.
sales_partner_code_second¶	string	Second direct sales partner code.
campaign¶	string	Optional override for the default campaign.

ScheduledRequest¶

Reference to an entity with an optional scheduled starting date.

Field	Type	Rules	Description
*id¶	string	string min. length: `1`	The ID referencing the entity.
scheduled_date¶	google.type.Date		The scheduled starting date (earliest possible if unset).

TransitionType¶

Specifies modalities of a contract transition.

Name	Number	Description
TRANSITION_TYPE_UNSPECIFIED	0	The transition type is unspecified
MANUAL_TERMINATION	1	The customer terminates the prior contract.
VENDOR_TERMINATION	2	The vendor terminates the prior contract.
RELOCATION	3	The customer is going to or has recently moved to the new address.

Duration¶

Represents a coarse time duration (e.g., 2 months).

Field	Type	Rules	Description
*units¶	int32	int32 >=: `0`	The number of time units.
*type¶	google.type.CalendarPeriod	enum in: `[1 2 3 4 5 6 7]`	The type the units refer to (days, months, etc.).

EnergyDelivery¶

Describes which kind and amount of energy is to be delivered to where.

Field	Type	Rules	Description
*energy_type¶	EnergyType	enum defined only enum not in: `[0]`	The kind of the energy.
*customer_type¶	CustomerType	enum defined only enum not in: `[0]`	The kind of the customer.
*address¶	PostalAddress	message required	The address to deliver energy to.
annual_usage¶	int32	int32 >=: `0`	The estimated power usage in kWh per year.
usage_type¶	EnergyDelivery.UsageType		The usage type for the delivered energy.
annual_usage_nt¶	int32	int32 >=: `0`	The estimated off-peak power usage in kWh per year (DE: Niedertarifverbrauch).

EnergyDelivery.UsageType¶

Name	Number	Description
USAGE_TYPE_UNSPECIFIED	0	The consumption type is unspecified.
HOUSEHOLD_ELECTRICITY	1	The energy is used for household.
CHARGING_CURRENT	2	The energy is used for charging.
STORAGE_HEATER	3	The energy is used for a storage heater.
HEAT_PUMP	4	The energy is used for a heat pump.
HOUSEHOLD_ELECTRICITY_AND_STORAGE_HEATER	5	The energy is used for household with storage heater.
HOUSEHOLD_ELECTRICITY_AND_HEAT_PUMP	6	The energy is used for household with heat pump.

EnergyType¶

Represents the kind of the energy.

Name	Number	Description
ENERGY_TYPE_UNSPECIFIED	0	The energy type is unspecified.
ELECTRICITY	1	The energy type is electricity.
GAS	2	The energy type is gas.

FileContent¶

Field	Type	Rules	Description
*mime_type¶	string	string min. length: `1`	The media type / content type of the document.
*content¶	bytes	bytes min. length: `1`	The raw data of the document.

StringListFilter¶

Strings filter x IN and x NOT IN semantics.

Field	Type	Rules	Description
*values¶	string	repeated min items: `1` repeated	The value to filter for.
negate¶	bool		If true the expression is negated.

StringScalarFilter¶

StringFilter provides match semantics for strings fields.

Field	Type	Rules	Description
*value¶	string	string min. length: `1`	The value to filter for.
match_mode¶	StringScalarFilter.MatchMode		The match mode to use.
negate¶	bool		If true the expression is negated.

StringScalarFilter.MatchMode¶

Name	Number	Description
MATCH_MODE_UNSPECIFIED	0	The match mode is unspecified.
EXACT	1	Filter only matches if the field contains exactly the expected value.
PREFIX	2	Filter matches all fields that are prefixed with the given value.
SUFFIX	3	Filter matches all fields that are suffixed with the given value.
SUBSTRING	4	Filter matches all fields that contain the given value.

LetterAddress¶

Combines a name and a postal address.

Field	Type	Rules	Description
*person¶	Person	message required	The person being addressed.
careof¶	string		A person that may receive letters in the name of the actual recipient (e.g. a "C/O" line added to the postal address).
*postal_address¶	PostalAddress	message required	The postal address.

PaymentMethod¶

Possible methods for paying invoices.

Name	Number	Description
PAYMENT_METHOD_UNSPECIFIED	0	The payment method method is unspecified.
DIRECT_DEBIT	1	Money is automatically withdrawn from the specified bank account.
MANUAL_TRANSFER	2	The customer pays bills manually using money transfers.

Person¶

Information on how to address a person. A person can be either a natural person or a company with an optional contact Natural Person: Must provide firstname, lastname Company: Must provide company

Field	Type	Description
salutation¶	Person.SalutationForm	The salutation of the person.
title¶	string	The title of the person.
firstname¶	string	The first name of the person.
lastname¶	string	The last name of the person.
birthday¶	google.type.Date	The birthday of the person.
company¶	string	The company name.

Person.SalutationForm¶

Name	Number	Description
SALUTATION_FORM_UNSPECIFIED	0	The salutation form is unspecified.
MRS	1	The salutation form is `Mrs.`.
MR	2	The salutation form is `Mr.`.
DIVERSE	3	The salutation form is `Diverse`.
FAMILY	4	The salutation form is `Family`.

PostalAddress¶

Represents a postal address, e.g. for postal delivery or payments addresses.

Field	Type	Rules	Description
*region¶	string	string min. length: `1`	The region the address is located in as a CLDR region code. Example: `DE` for Germany
*postal_code¶	string	string min. length: `1`	A postal code of the city (a city may have more than one). Example: `76131` for Karlsruhe inner city
*city¶	string	string min. length: `1`	The canonical name of the city (there may be more than one per postal code). Example: `Karlsruhe`
street¶	string		The canonical name of the street. Example: `Kaiserstr.`
house_number¶	string		The house number. Examples: `32`, `32a`, `32/1`
postbox_number¶	string		Postbox number in case address is a postbox.
district¶	string		Administrative division (i.e. Stadtteil).
additional_address_lines¶	string	repeated	Additional address lines Example: Appartment 104, Care of etc.

Price¶

Represents a price before and after taxes.

Field	Type	Description
*net¶	google.type.Money	The price without VAT.
*gross¶	google.type.Money	The price including VAT.
unit¶	string	The unit the price is related to (e.g "kWh", "PCS", "month", etc.)

RecurringCost¶

Represents a price/cost that repeats at a fixed interval.

Field	Type	Rules	Description
*price¶	Price	message required	The price per interval.
*interval¶	google.type.CalendarPeriod	enum defined only enum not in: `[0]`	The interval at which the cost occurs (per day, month, etc.).

TenantScopedListRequest¶

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the product list belongs to.
page_size¶	int32		The maximum number of items to return. 0 for default.
page_token¶	string		The `next_page_token` value returned from a previous List request, if any.

TenantScopedResource¶

A tenant scoped resource.

Field	Type	Rules	Description
*tenant¶	string	string pattern: `^[0-9a-z-]+$`	The tenant the resource belongs to.
*id¶	string	string min. length: `1`	The ID of the resource.

InternalError¶

results in code INTERNAL / 500

InvalidReferenceError¶

This error is used to reject a request because an identifier referencing another entity could not be looked up. This is usually employed in methods that create or update data, reflecting either a frontend error, or a data consistency problem. Note that this is distinct from the NotFound*Errors that should be used when the identifier was needed to look up a resource (e.g. the tenant).

Field	Type	Rules	Description
field¶	string		field containing the invalid reference

NotFoundTenantError¶

The provided tenant id is unknown. Results in code NOT_FOUND / 404

PermissionDeniedError¶

results in code PERMISSION_DENIED / 403

UnauthenticatedError¶

results in code UNAUTHENTICATED / 401

UnavailableError¶

results in code UNAVAILABLE / 503

UnimplementedError¶

The method or a specific use case within it is not implemented Results in code UNIMPLEMENTED / 501

File-level Extensions¶

Extension	Type	Base	Number	Description
throws	string	.google.protobuf.MethodOptions	76131	throws is used to document error messages that the method might return in status.details. The following errors are to be expected for almost any EnPowerX method and do not have to be documented: - google.rpc.BadRequest - enpowerx.errors.InternalError - enpowerx.errors.UnavailableError - enpowerx.errors.PermissionDeniedError - enpowerx.errors.UnauthenticatedError - enpowerx.errors.NotFoundTenantError

CalendarPeriod¶

A CalendarPeriod represents the abstract concept of a time period that has a canonical start. Grammatically, "the start of the current CalendarPeriod." All calendar times begin at midnight UTC.

Name	Number	Description
CALENDAR_PERIOD_UNSPECIFIED	0	Undefined period, raises an error.
DAY	1	A day.
WEEK	2	A week. Weeks begin on Monday, following ISO 8601.
FORTNIGHT	3	A fortnight. The first calendar fortnight of the year begins at the start of week 1 according to ISO 8601.
MONTH	4	A month.
QUARTER	5	A quarter. Quarters start on dates 1-Jan, 1-Apr, 1-Jul, and 1-Oct of each year.
HALF	6	A half-year. Half-years start on dates 1-Jan and 1-Jul.
YEAR	7	A year.

Date¶

Represents a whole or partial calendar date, e.g. a birthday. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the Proleptic Gregorian Calendar. This can represent:

A full date, with non-zero year, month and day values
A month and day value, with a zero year, e.g. an anniversary
A year on its own, with zero month and day values
A year and month value, with a zero day, e.g. a credit card expiration date

Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and google.protobuf.Timestamp.

Field	Type	Description
year¶	int32	Year of date. Must be from 1 to 9999, or 0 if specifying a date without a year.
month¶	int32	Month of year. Must be from 1 to 12, or 0 if specifying a year without a month and day.
day¶	int32	Day of month. Must be from 1 to 31 and valid for the year and month, or 0 if specifying a year by itself or a year and month where the day is not significant.

Money¶

Represents an amount of money with its currency type.

Field	Type	Description
currency_code¶	string	The 3-letter currency code defined in ISO 4217.
units¶	int64	The whole units of the amount. For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
nanos¶	int32	Number of nano (10^-9) units of the amount. The value must be between -999,999,999 and +999,999,999 inclusive. If `units` is positive, `nanos` must be positive or zero. If `units` is zero, `nanos` can be positive, zero, or negative. If `units` is negative, `nanos` must be negative or zero. For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.

Scalar Value Types¶

.proto Type	Notes	C++	Java	Python	Go	C#	PHP	Ruby
double		double	double	float	float64	double	float	Float
float		float	float	float	float32	float	float	Float
int32	Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead.	int32	int	int	int32	int	integer	Bignum or Fixnum (as required)
int64	Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead.	int64	long	int/long	int64	long	integer/string	Bignum
uint32	Uses variable-length encoding.	uint32	int	int/long	uint32	uint	integer	Bignum or Fixnum (as required)
uint64	Uses variable-length encoding.	uint64	long	int/long	uint64	ulong	integer/string	Bignum or Fixnum (as required)
sint32	Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s.	int32	int	int	int32	int	integer	Bignum or Fixnum (as required)
sint64	Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s.	int64	long	int/long	int64	long	integer/string	Bignum
fixed32	Always four bytes. More efficient than uint32 if values are often greater than 2^28.	uint32	int	int	uint32	uint	integer	Bignum or Fixnum (as required)
fixed64	Always eight bytes. More efficient than uint64 if values are often greater than 2^56.	uint64	long	int/long	uint64	ulong	integer/string	Bignum
sfixed32	Always four bytes.	int32	int	int	int32	int	integer	Bignum or Fixnum (as required)
sfixed64	Always eight bytes.	int64	long	int/long	int64	long	integer/string	Bignum
bool		bool	boolean	boolean	bool	bool	boolean	TrueClass/FalseClass
string	A string must always contain UTF-8 encoded or 7-bit ASCII text.	string	String	str/unicode	string	string	string	String (UTF-8)
bytes	May contain any arbitrary sequence of bytes.	string	ByteString	str	[]byte	ByteString	string	String (ASCII-8BIT)

Legend¶

*) required