Thrift module: Limits

Minimum length of any string-based attribute, in Unicode chars

Maximum length of any string-based attribute, in Unicode chars

Any string-based attribute must match the provided regular expression. This excludes all Unicode line endings and control characters.

The maximum number of values that can be stored in a list-based attribute (e.g. see UserAttributes.recentMailedAddresses)

The maximum number of entries that can be stored in a map-based attribute such as applicationData fields in Resources and Notes.

The minimum length of a GUID generated by the Evernote service

The maximum length of a GUID generated by the Evernote service

GUIDs generated by the Evernote service will match the provided pattern

The minimum length of any email address

The maximum length of any email address

A regular expression that matches the part of an email address before the '@' symbol.

A regular expression that matches the part of an email address after the '@' symbol.

A regular expression that must match any email address given to Evernote. Email addresses must comply with RFC 2821 and 2822.

A regular expression that must match any VAT ID given to Evernote. ref https://en.wikipedia.org/wiki/VAT_identification_number ref https://my.safaribooksonline.com/book/programming/regular-expressions/9780596802837/4dot-validation-and-formatting/id2995136

The minimum length of a timezone specification string

The maximum length of a timezone specification string

Any timezone string given to Evernote must match the provided pattern. This permits either a locale-based standard timezone or a GMT offset. E.g.:

• America/Los_Angeles
• GMT+08:00

The minimum length of any MIME type string given to Evernote

The maximum length of any MIME type string given to Evernote

Any MIME type string given to Evernote must match the provided pattern. E.g.: image/gif

Canonical MIME type string for GIF image resources

Canonical MIME type string for JPEG image resources

Canonical MIME type string for PNG image resources

Canonical MIME type string for TIFF image resources

Canonical MIME type string for WAV audio resources

Canonical MIME type string for MP3 audio resources

Canonical MIME type string for AMR audio resources

Canonical MIME type string for AAC audio resources

Canonical MIME type string for MP4 audio resources

Canonical MIME type string for MP4 video resources

Canonical MIME type string for Evernote Ink resources

Canonical MIME type string for PDF resources

MIME type used for attachments of an unspecified type

The set of resource MIME types that are expected to be handled correctly by all of the major Evernote client applications.

The set of MIME types that Evernote will parse and index for searching. With exception of images, PDFs and plain text files, which are handled in a different way.

The set of plain text MIME types that Evernote will parse and index for searching. The MIME types which start with "text/" will be handled separately by each client (i.e. hard-coded in each client).

The minimum length of a user search query string in Unicode chars

The maximum length of a user search query string in Unicode chars

Search queries must match the provided pattern. This is used for both ad-hoc queries and SavedSearch.query fields. This excludes all control characters and line/paragraph separators.

The exact length of a MD5 hash checksum, in binary bytes. This is the exact length that must be matched for any binary hash value.

The minimum length of an Evernote username

The maximum length of an Evernote username

Any Evernote User.username field must match this pattern. This restricts usernames to a format that could permit use as a domain name component. E.g. "username.whatever.evernote.com"

Minimum length of the User.name field

Maximum length of the User.name field

The User.name field must match this pattern, which excludes line endings and control characters.

The minimum length of a Tag.name, in Unicode characters

The maximum length of a Tag.name, in Unicode characters

All Tag.name fields must match this pattern. This excludes control chars, commas or line/paragraph separators. The string may not begin or end with whitespace.

The minimum length of a Note.title, in Unicode characters

The maximum length of a Note.title, in Unicode characters

All Note.title fields must match this pattern. This excludes control chars or line/paragraph separators. The string may not begin or end with whitespace.

Minimum length of a Note.content field. Note.content fields must comply with the ENML DTD.

Maximum length of a Note.content field Note.content fields must comply with the ENML DTD.

Minimum length of an application name, which is the key in an applicationData LazyMap found in entities such as Resources and Notes.

Maximum length of an application name, which is the key in an applicationData LazyMap found in entities such as Resources and Notes.

Minimum length of an applicationData value in a LazyMap, found in entities such as Resources and Notes.

Maximum length of an applicationData value in a LazyMap, found in entities such as Resources and Notes. Note, however, that the sum of the size of hte key and value is constrained by EDAM_APPLICATIONDATA_ENTRY_LEN_MAX, so the maximum length, in practice, depends upon the key value being used.

The total length of an entry in an applicationData LazyMap, which is the sum of the length of the key and the value for the entry.

An application name must match this regex. An application name is the key portion of an entry in an applicationData map as found in entities such as Resources and Notes. Note that even if both the name and value regexes match, it is still necessary to check the sum of the lengths against EDAM_APPLICATIONDATA_ENTRY_LEN_MAX.

An applicationData map value must match this regex. Note that even if both the name and value regexes match, it is still necessary to check the sum of the lengths against EDAM_APPLICATIONDATA_ENTRY_LEN_MAX.

The minimum length of a Notebook.name, in Unicode characters

The maximum length of a Notebook.name, in Unicode characters

All Notebook.name fields must match this pattern. This excludes control chars or line/paragraph separators. The string may not begin or end with whitespace.

The minimum length of a Notebook.stack, in Unicode characters

The maximum length of a Notebook.stack, in Unicode characters

All Notebook.stack fields must match this pattern. This excludes control chars or line/paragraph separators. The string may not begin or end with whitespace.

The minimum length of a public notebook URI component

The maximum length of a public notebook URI component

A public notebook URI component must match the provided pattern

The set of strings that may not be used as a publishing URI

The minimum length of a Publishing.publicDescription field.

The maximum length of a Publishing.publicDescription field.

Any public notebook's Publishing.publicDescription field must match this pattern. No control chars or line/paragraph separators, and can't start or end with whitespace.

The minimum length of a SavedSearch.name field

The maximum length of a SavedSearch.name field

SavedSearch.name fields must match this pattern. No control chars or line/paragraph separators, and can't start or end with whitespace.

The minimum length of an Evernote user password

The maximum length of an Evernote user password

Evernote user passwords must match this regular expression

The maximum length of an Evernote Business URI

Valid Evernote Business marketing code / affiliate code format.

The maximum number of Tags per Note

The maximum number of Resources per Note

Maximum number of Tags per account

Maximum number of Tags per business account.

Maximum number of SavedSearches per account

Maximum number of Notes per user

Maximum number of Notes per business account

Maximum number of Notebooks per user

Maximum number of Notebooks in a business account

Maximum number of recent email addresses that are maintained (see UserAttributes.recentMailedAddresses)

The number of emails of any type that can be sent by a user with a Free account from the service per day. If an email is sent to two different recipients, this counts as two emails.

The number of emails of any type that can be sent by a user with a Premium account from the service per day. If an email is sent to two different recipients, this counts as two emails.

The number of bytes of new data that may be uploaded to a Free user's account each month.

The number of bytes of new data that may be uploaded to a Premium user's account each month.

The number of bytes of new data that may be uploaded each month to an account at a Plus service level.

The number of bytes of new data uploaded in a monthly quota cycle at which point users should be prompted with a survey to gather information on how they are using Evernote.

The number of bytes of new data that may be uploaded to a Business user's personal account each month. Note that content uploaded into the Business notebooks by the user does not count against this limit.

The number of bytes of new data that may be uploaded to a Business for each member of the business per month. The total bytes available can be determined by multiplying this with the number of business users.

Maximum total size of a Note that can be added to a Free account. The size of a note is calculated as: ENML content length (in Unicode characters) plus the sum of all resource sizes (in bytes).

Maximum total size of a Note that can be added to a Premium account. The size of a note is calculated as: ENML content length (in Unicode characters) plus the sum of all resource sizes (in bytes).

Maximum size of a resource, in bytes, for Free accounts

Maximum size of a resource, in bytes, for Premium accounts

Maximum number of linked notebooks per account, for a free account.

Maximum number of linked notebooks per account, for a premium account. Users who are part of an active business are also covered under "premium".

Maximum number of shared notebooks per business notebook

Maximum number of shared notebooks per personal notebook

Maximum number of SharedNote records per business note

Maximum number of SharedNote records per personal note

The minimum length of the content class attribute of a note.

The maximum length of the content class attribute of a note.

The regular expression that the content class of a note must match to be valid.

The content class prefix used for all notes created by Evernote Hello. This prefix can be used to assemble individual content class strings, or can be used to create a wildcard search to get all notes created by Hello. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class prefix used for all notes created by Evernote Food. This prefix can be used to assemble individual content class strings, or can be used to create a wildcard search to get all notes created by Food. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class prefix used for structured notes created by Evernote Hello that represents an encounter with a person. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class prefix used for structured notes created by Evernote Hello that represents the user's profile. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class prefix used for structured notes created by Evernote Food that captures the experience of a particular meal. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class prefix used for structured notes created by Evernote Skitch. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class value used for structured image notes created by Evernote Skitch.

The content class value used for structured PDF notes created by Evernote Skitch.

The content class prefix used for structured notes created by Evernote Penultimate. When performing a wildcard search via filtered sync chunks or search strings, the * character must be appended to this constant.

The content class value used for structured notes created by Evernote Penultimate that represents a Penultimate notebook.

The NoteAttributes.sourceApplication value used for notes captured by the Post-it camera.

The NoteAttributes.sourceApplication value used for notes captured by the Moleskine page camera.

The NoteAttributes.sourceApplication value used for notes captured by PFU ScanSnap Evernote Edition.

The NoteAttributes.sourceApplication value used for notes captured with the Embedded Web Clipper.

The NoteAttributes.source value used for notes captured by the Microsoft Outlook clipper.

A NoteAttributes.noteTitleQuality value indicating that a note has no meaningful title, only a placeholder value such as "Untitled Note".

A NoteAttributes.noteTitleQuality value indicating that the quality of an automatically generated note title is low. Examples of low quality titles include those based on a note's type and location, such as "Snapshot from 123 Sesame Street in New York".

A NoteAttributes.noteTitleQuality value indicating that the quality of an automatically generated note title is medium. Examples of medium quality titles include those based on a calendar entry, such as "Note from Weekly Staff Meeting".

A NoteAttributes.noteTitleQuality value indicating that the quality of an automatically generated note title is high. Examples of high quality titles include those based on a scanned business card, such as "John Doe - Scanned Business Card".

The minimum length of the plain text in a findRelated query, assuming that plaintext is being provided.

The maximum length of the plain text in a findRelated query, assuming that plaintext is being provided.

The maximum number of notes that will be returned from a findRelated() query.

The maximum number of notebooks that will be returned from a findRelated() query.

The maximum number of tags that will be returned from a findRelated() query.

The maximum number of experts that will be returned from a findRelated() query

The maximum number of related content snippets that will be returned from a findRelated() query.

The minimum length, in Unicode characters, of a description for a business notebook.

The maximum length, in Unicode characters, of a description for a business notebook.

All business notebook descriptions must match this pattern. This excludes control chars or line/paragraph separators. The string may not begin or end with whitespace.

The maximum length of a business phone number.

Minimum length of a preference name

Maximum length of a preference name

Minimum length of a preference value

Maximum length of a preference value

Maximum number of name/value pairs allowed

Maximum number of values per preference name when using values of size no greater than EDAM_PREFERENCE_VALUE_LEN_MAX.

The maximum length of a preference value if you only use one value per preference rather than up to EDAM_MAX_VALUES_PER_PREFERENCE. This option is useful if you want a single string that is larger than EDAM_PREFERENCE_VALUE_LEN_MAX and would otherwise need to split the string into multiple pieces to store it.

A preference name must match this regex.

A preference value must match this regex if you are using more than a single value for a preference.

A preference value must match this regex if you are using a single value for a preference.

The name of the preferences entry that contains shortcuts.

The name of the preferences entry that contains the notebook GUID (not the linked notebook) of the default business notebook. It must be in the format EDAM_GUID_REGEX. If a default business notebook is not set and the user is a business user the user should be prompted to set the default business notebook. The default business notebook must be a read/write notebook. Whenever the default business notebook guid is used, it must be revalidiated as a writable notebook. If it is not valid, the user should be re-prompted to set the value. This value is used by clients only.

The name of the preferences entry that contains a boolean indicating that default quicknotes should go into a business notebook. The EDAM_PREFERENCE_BUSINESS_DEFAULT_NOTEBOOK must be set correctly for this preference to be honored. The quicknote preferences should only be set to "true", if quicknote should use a business notebook. Any value other than "true" (or the omission of a value) should be treated as "false". In this case, quicknotes should be created in in the user's personal default notebook. The interface should not allow users to set quicknote to a business notebook without a valid default business notebook selected, however, clients should handle the edge case of an invalid business notebook guid. If a user stops being a business user or does not have write access to any business notebooks the quicknote preference should be ignored.

The maximum number of shortcuts that a user may have.

Maximum length of the device identifier string associated with long sessions.

Regular expression for device identifier strings associated with long sessions.

Maximum length of the device description string associated with long sessions.

Regular expression for device description strings associated with long sessions.

Maximum number of search suggestions that can be returned

Maximum length of the search suggestion prefix

Minimum length of the search suggestion prefix

Default maximum number of results the service will return for findContact

Absolute maximum number of results the service will return for findContact

The maximum number of separate notes that may be queried in a single call to NoteStore.getViewersForNotes.

Absolute maximum number of results the servce will return for PersistentInternalMarket.getOrders()

The maximum length of a message body in unicode characters.

The regex to validate message.body against

The maximum number of recipients on a MessageThread.

The maximum number of attachments a Message can have.

The maximum length of a message attachment title in unicode characters.

The regex to validate message attachment titles against

The maximum length of a message attachment snippet in unicode characters.

The regex to validate message attachment snippets against

Maximum user profile photo size, in bytes, that clients may send to the service. Photos may be resized before being stored on the service.

The maximum length of a promotion ID in unicode characters.

The regex to validate promotion IDs against.

App Feedback Rating range

The maximium number of note snippets you can retrieve in a single request

The maximum number of connected identities a client can request.