swh-web API URLs

Content

GET /api/1/content/known/(sha1)[,(sha1), ...,(sha1)]/

Check whether some content(s) (aka “blob(s)”) is present in the archive based on its sha1 checksum.

Parameters

  • sha1 (string) – hexadecimal representation of the sha1 checksum value for the content to check existence. Multiple values can be provided separated by ‘,’.

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object

  • search_res (array) – array holding the search result for each provided sha1

  • search_stats (object) – some statistics regarding the number of sha1 provided and the percentage of those found in the archive

Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/known/dc2830a9e72f23c1dfebef4413003221baa5fb62,0c3f19cb47ebfbe643fb19fa94c874d18fa62d12/
GET /api/1/content/[(hash_type):](hash)/

Get information about a content (aka a “blob”) object. In the archive, a content object is identified based on checksum values computed using various hashing algorithms.

Parameters

  • hash_type (string) – optional parameter specifying which hashing algorithm has been used to compute the content checksum. It can be either sha1, sha1_git, sha256 or blake2s256. If that parameter is not provided, it is assumed that the hashing algorithm used is sha1.

  • hash (string) – hexadecimal representation of the checksum value computed with the specified hashing algorithm.

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object
Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/sha1_git:fe95a46679d128ff167b7c55df5d02356c5a1ae1/
GET /api/1/content/[(hash_type):](hash)/raw/

Get the raw content of a content object (aka a “blob”), as a byte sequence.

Parameters

  • hash_type (string) – optional parameter specifying which hashing algorithm has been used to compute the content checksum. It can be either sha1, sha1_git, sha256 or blake2s256. If that parameter is not provided, it is assumed that the hashing algorithm used is sha1.

  • hash (string) – hexadecimal representation of the checksum value computed with the specified hashing algorithm.

Query Parameters

  • filename (string) – if provided, the downloaded content will get that filename

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/sha1:dc2830a9e72f23c1dfebef4413003221baa5fb62/raw/
GET /api/1/content/[(hash_type):](hash)/filetype/

Get information about the detected MIME type of a content object.

Parameters

  • hash_type (string) – optional parameter specifying which hashing algorithm has been used to compute the content checksum. It can be either sha1, sha1_git, sha256 or blake2s256. If that parameter is not provided, it is assumed that the hashing algorithm used is sha1.

  • hash (string) – hexadecimal representation of the checksum value computed with the specified hashing algorithm.

Response JSON Object

  • content_url (object) – link to GET /api/1/content/[(hash_type):](hash)/ for getting information about the content

  • encoding (string) – the detected content encoding

  • id (string) – the sha1 identifier of the content

  • mimetype (string) – the detected MIME type of the content

  • tool (object) – information about the tool used to detect the content filetype

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/sha1:dc2830a9e72f23c1dfebef4413003221baa5fb62/filetype/
GET /api/1/content/[(hash_type):](hash)/language/

Get information about the programming language used in a content object.

Note: this endpoint currently returns no data.

Parameters

  • hash_type (string) – optional parameter specifying which hashing algorithm has been used to compute the content checksum. It can be either sha1, sha1_git, sha256 or blake2s256. If that parameter is not provided, it is assumed that the hashing algorithm used is sha1.

  • hash (string) – hexadecimal representation of the checksum value computed with the specified hashing algorithm.

Response JSON Object

  • content_url (object) – link to GET /api/1/content/[(hash_type):](hash)/ for getting information about the content

  • id (string) – the sha1 identifier of the content

  • lang (string) – the detected programming language if any

  • tool (object) – information about the tool used to detect the programming language

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/sha1:dc2830a9e72f23c1dfebef4413003221baa5fb62/language/
GET /api/1/content/[(hash_type):](hash)/license/

Get information about the license of a content object.

Parameters

  • hash_type (string) – optional parameter specifying which hashing algorithm has been used to compute the content checksum. It can be either sha1, sha1_git, sha256 or blake2s256. If that parameter is not provided, it is assumed that the hashing algorithm used is sha1.

  • hash (string) – hexadecimal representation of the checksum value computed with the specified hashing algorithm.

Response JSON Object

  • content_url (object) – link to GET /api/1/content/[(hash_type):](hash)/ for getting information about the content

  • id (string) – the sha1 identifier of the content

  • licenses (array) – array of strings containing the detected license names

  • tool (object) – information about the tool used to detect the license

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/content/sha1:dc2830a9e72f23c1dfebef4413003221baa5fb62/license/

Directory

GET /api/1/directory/(sha1_git)/[(path)/]

Get information about directory objects. Directories are identified by sha1 checksums, compatible with Git directory identifiers. See swh.model.git_objects.directory_git_object() in our data model module for details about how they are computed.

When given only a directory identifier, this endpoint returns information about the directory itself, returning its content (usually a list of directory entries). When given a directory identifier and a path, this endpoint returns information about the directory entry pointed by the relative path, starting path resolution from the given directory.

Parameters

  • sha1_git (string) – hexadecimal representation of the directory sha1_git identifier

  • path (string) – optional parameter to get information about the directory entry pointed by that relative path

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Array of Objects

  • checksums (object) – object holding the computed checksum values for a directory entry (only for file entries)

  • dir_id (string) – sha1_git identifier of the requested directory

  • length (number) – length of a directory entry in bytes (only for file entries) for getting information about the content MIME type

  • name (string) – the directory entry name

  • perms (number) – permissions for the directory entry

  • target (string) – sha1_git identifier of the directory entry

  • target_url (string) – link to GET /api/1/content/[(hash_type):](hash)/ or GET /api/1/directory/(sha1_git)/[(path)/] depending on the directory entry type

  • type (string) – the type of the directory entry, can be either dir, file or rev

Status Codes

Example:

https://archive.softwareheritage.org/api/1/directory/977fc4b98c0e85816348cebd3b12026407c368b6/

Graph

GET /api/1/graph/(graph_query)/

Provide fast access to the graph representation of the Software Heritage archive.

That endpoint acts as a proxy for the Software Heritage Graph service.

It provides fast access to the graph representation of the Software Heritage archive.

For more details please refer to the Graph RPC API documentation.

Warning

That endpoint is not publicly available and requires authentication and special user permission in order to be able to request it.

Parameters

  • graph_query (string) – query to forward to the Software Heritage Graph archive (see its documentation)

Query Parameters

  • resolve_origins (boolean) – extra parameter defined by that proxy enabling to resolve origin urls from their sha1 representations

Status Codes

Examples:

https://archive.softwareheritage.org/api/1/graph/leaves/swh:1:dir:432d1b21c1256f7408a07c577b6974bbdbcc1323/
https://archive.softwareheritage.org/api/1/graph/neighbors/swh:1:rev:f39d7d78b70e0f39facb1e4fab77ad3df5c52a35/
https://archive.softwareheritage.org/api/1/graph/randomwalk/swh:1:cnt:94a9ed024d3859793618152ea559a168bbcbb5e2/ori?direction=backward
https://archive.softwareheritage.org/api/1/graph/randomwalk/swh:1:cnt:94a9ed024d3859793618152ea559a168bbcbb5e2/ori?direction=backward&limit=-2
https://archive.softwareheritage.org/api/1/graph/visit/nodes/swh:1:snp:40f9f177b8ab0b7b3d70ee14bbc8b214e2b2dcfc?direction=backward&resolve_origins=true
https://archive.softwareheritage.org/api/1/graph/visit/edges/swh:1:snp:40f9f177b8ab0b7b3d70ee14bbc8b214e2b2dcfc?direction=backward&resolve_origins=true
https://archive.softwareheritage.org/api/1/graph/visit/paths/swh:1:dir:644dd466d8ad527ea3a609bfd588a3244e6dafcb?direction=backward&resolve_origins=true

SWHIDs (persistent identifiers)

GET /api/1/resolve/(swhid)/

Resolve a SoftWare Heritage persistent IDentifier (SWHID)

Try to resolve a provided SoftWare Heritage persistent IDentifier into an url for browsing the pointed archive object.

If the provided identifier is valid, the existence of the object in the archive will also be checked.

Parameters

  • swhid (string) – a SoftWare Heritage persistent IDentifier

Response JSON Object

  • browse_url (string) – the url for browsing the pointed object

  • metadata (object) – object holding optional parts of the SWHID

  • namespace (string) – the SWHID namespace

  • object_id (string) – the hash identifier of the pointed object

  • object_type (string) – the type of the pointed object

  • scheme_version (number) – the scheme version of the SWHID

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/resolve/swh:1:rev:96db9023b881d7cd9f379b0c154650d6c108e9a3;origin=https://github.com/openssl/openssl/
POST /api/1/known/

Check if a list of objects are present in the Software Heritage archive.

The objects to check existence must be provided using SoftWare Heritage persistent IDentifiers.

Request JSON Array of Objects

  • - (string) – input array of SWHIDs, its length can not exceed 1000.

Response JSON Object

  • <swhid> (object) –

    an object whose keys are input SWHIDs and values objects with the following keys:

    • known (bool): whether the object was found

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes
GET /api/1/raw/(swhid)/

Get the object corresponding to the SWHID in raw form.

This endpoint exposes the internal representation (see the *_git_object functions in swh.model.git_objects), and so can be used to fetch a binary blob which hashes to the same identifier.

Warning

That endpoint is not publicly available and requires authentication and special user permission in order to be able to request it.

Parameters

  • swhid (string) – the object’s SWHID

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/raw/swh:1:snp:6a3a2cf0b2b90ce7ae1cf0a221ed68035b686f5a

Origin

GET /api/1/origin/(origin_url)/get/

Get information about a software origin.

Parameters

  • origin_url (string) – the origin url

Response JSON Object

  • origin_visits_url (string) – link to in order to get information about the visits for that origin

  • url (string) – the origin canonical url

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/origin/https://github.com/python/cpython/get/
GET /api/1/origin/search/(url_pattern)/

Search for software origins whose urls contain a provided string pattern or match a provided regular expression. The search is performed in a case insensitive way.

Warning

This endpoint used to provide an offset query parameter, and guarantee an order on results. This is no longer true, and only the Link header should be used for paginating through results.

Parameters

  • url_pattern (string) – a string pattern

Query Parameters

  • use_ql (boolean) – whether to use swh search query language or not

  • limit (int) – the maximum number of found origins to return (bounded to 1000)

  • with_visit (boolean) – if true, only return origins with at least one visit by Software heritage

  • visit_type (string) – if provided, only return origins with that specific visit type (currently the supported types are ???)

Response JSON Array of Objects

  • origin_visits_url (string) – link to in order to get information about the visits for that origin

  • url (string) – the origin canonical url

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers

  • Content-Type – this depends on Accept header of request

  • Link – indicates that a subsequent result page is available and contains the url pointing to it

Status Codes

Example:

https://archive.softwareheritage.org/api/1/origin/search/python/?limit=2
GET /api/1/origin/(origin_url)/visits/

Get information about all visits of a software origin. Visits are returned sorted in descending order according to their date.

Parameters

  • origin_url (str) – a software origin URL

Query Parameters

  • per_page (int) – specify the number of visits to list, for pagination purposes

  • last_visit (int) – visit to start listing from, for pagination purposes

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers

  • Content-Type – this depends on Accept header of request

  • Link – indicates that a subsequent result page is available and contains the url pointing to it

Response JSON Array of Objects

  • date (string) – ISO8601/RFC3339 representation of the visit date (in UTC)

  • origin (str) – the origin canonical url

  • origin_url (string) – link to get information about the origin

  • status (string) – status of the visit (either full, partial or ongoing)

  • visit (number) – the unique identifier of the visit

  • metadata_authorities_url (string) – link to GET /api/1/raw-extrinsic-metadata/swhid/(target)/authorities/ to get the list of metadata authorities providing extrinsic metadata on this origin (and, indirectly, to the origin’s extrinsic metadata itself)

  • id (number) – the unique identifier of the origin

  • origin_visit_url (string) – link to GET /api/1/origin/(origin_url)/visit/(visit_id)/ in order to get information about the visit

>jsonarrarr string snapshot

the snapshot identifier of the visit (may be null if status is not full).

>jsonarrarr string snapshot_url

link to GET /api/1/snapshot/(snapshot_id)/ in order to get information about the snapshot of the visit (may be null if status is not full).

Status Codes

Example:

https://archive.softwareheritage.org/api/1/origin/https://github.com/hylang/hy/visits/
GET /api/1/origin/(origin_url)/visit/(visit_id)/

Get information about a specific visit of a software origin.

Parameters

  • origin_url (str) – a software origin URL

  • visit_id (int) – a visit identifier

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object

  • date (string) – ISO8601/RFC3339 representation of the visit date (in UTC)

  • origin (str) – the origin canonical url

  • origin_url (string) – link to get information about the origin

  • status (string) – status of the visit (either full, partial or ongoing)

  • visit (number) – the unique identifier of the visit

  • metadata_authorities_url (string) – link to GET /api/1/raw-extrinsic-metadata/swhid/(target)/authorities/ to get the list of metadata authorities providing extrinsic metadata on this origin (and, indirectly, to the origin’s extrinsic metadata itself)

Response JSON Array of Objects

  • snapshot (string) – the snapshot identifier of the visit (may be null if status is not full).

  • snapshot_url (string) – link to GET /api/1/snapshot/(snapshot_id)/ in order to get information about the snapshot of the visit (may be null if status is not full).

Status Codes

  • 200 OK – no error

  • 404 Not Found – requested origin or visit can not be found in the archive

Example:

https://archive.softwareheritage.org/api/1/origin/https://github.com/hylang/hy/visit/1/

Release

GET /api/1/release/(sha1_git)/

Get information about a release in the archive. Releases are identified by sha1 checksums, compatible with Git tag identifiers. See swh.model.git_objects.release_git_object() in our data model module for details about how they are computed.

Parameters

  • sha1_git (string) – hexadecimal representation of the release sha1_git identifier

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object

  • author (object) – information about the author of the release

  • date (string) – RFC3339 representation of the release date

  • id (string) – the release unique identifier

  • message (string) – the message associated to the release

  • name (string) – the name of the release

  • target (string) – the target identifier of the release

  • target_type (string) – the type of the target, can be either release, revision, content, directory

  • target_url (string) – a link to the adequate api url based on the target type

Status Codes

Example:

https://archive.softwareheritage.org/api/1/release/208f61cc7a5dbc9879ae6e5c2f95891e270f09ef/

Revision

GET /api/1/revision/(sha1_git)/

Get information about a revision in the archive. Revisions are identified by sha1 checksums, compatible with Git commit identifiers. See swh.model.git_objects.revision_git_object() in our data model module for details about how they are computed.

Parameters

  • sha1_git (string) – hexadecimal representation of the revision sha1_git identifier

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object

  • author (object) – information about the author of the revision

  • committer (object) – information about the committer of the revision

  • committer_date (string) – RFC3339 representation of the commit date

  • date (string) – RFC3339 representation of the revision date

  • directory (string) – the unique identifier that revision points to

  • directory_url (string) – link to GET /api/1/directory/(sha1_git)/[(path)/] to get information about the directory associated to the revision

  • id (string) – the revision unique identifier

  • merge (boolean) – whether or not the revision corresponds to a merge commit

  • message (string) – the message associated to the revision

  • parents (array) – the parents of the revision, i.e. the previous revisions that head directly to it, each entry of that array contains an unique parent revision identifier but also a link to GET /api/1/revision/(sha1_git)/ to get more information about it

  • type (string) – the type of the revision

Status Codes

Example:

https://archive.softwareheritage.org/api/1/revision/aafb16d69fd30ff58afdd69036a26047f3aebdc6/
GET /api/1/revision/(sha1_git)/directory/[(path)/]

Get information about directory (entry) objects associated to revisions. Each revision is associated to a single “root” directory. This endpoint behaves like GET /api/1/directory/(sha1_git)/[(path)/], but operates on the root directory associated to a given revision.

Parameters

  • sha1_git (string) – hexadecimal representation of the revision sha1_git identifier

  • path (string) – optional parameter to get information about the directory entry pointed by that relative path

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Object

  • content (array) – directory entries as returned by GET /api/1/directory/(sha1_git)/[(path)/]

  • path (string) – path of directory from the revision root one

  • revision (string) – the unique revision identifier

  • type (string) – the type of the directory

Status Codes

Example:

https://archive.softwareheritage.org/api/1/revision/f1b94134a4b879bc55c3dacdb496690c8ebdc03f/directory/
GET /api/1/revision/(sha1_git)/log/

Get a list of all revisions heading to a given one, in other words show the commit log.

The revisions are returned in the breadth-first search order while visiting the revision graph. The number of revisions to return is also bounded by the limit query parameter.

Warning

To get the full BFS traversal of the revision graph when the total number of revisions is greater than 1000, it is up to the client to keep track of the multiple branches of history when there’s merge revisions in the returned objects. In other words, identify all the continuation points that need to be followed to get the full history through recursion.

Parameters

  • sha1_git (string) – hexadecimal representation of the revision sha1_git identifier

Query Parameters

  • limit (int) – maximum number of revisions to return when performing BFS traversal on the revision graph (default to 10, can not exceed 1000)

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Response JSON Array of Objects

  • author (object) – information about the author of the revision

  • committer (object) – information about the committer of the revision

  • committer_date (string) – RFC3339 representation of the commit date

  • date (string) – RFC3339 representation of the revision date

  • directory (string) – the unique identifier that revision points to

  • directory_url (string) – link to GET /api/1/directory/(sha1_git)/[(path)/] to get information about the directory associated to the revision

  • id (string) – the revision unique identifier

  • merge (boolean) – whether or not the revision corresponds to a merge commit

  • message (string) – the message associated to the revision

  • parents (array) – the parents of the revision, i.e. the previous revisions that head directly to it, each entry of that array contains an unique parent revision identifier but also a link to GET /api/1/revision/(sha1_git)/ to get more information about it

  • type (string) – the type of the revision

Status Codes

Example:

https://archive.softwareheritage.org/api/1/revision/e1a315fa3fa734e2a6154ed7b5b9ae0eb8987aad/log/

Snapshot

GET /api/1/snapshot/(snapshot_id)/

Get information about a snapshot in the archive.

A snapshot is a set of named branches, which are pointers to objects at any level of the Software Heritage DAG. It represents a full picture of an origin at a given time.

As well as pointing to other objects in the Software Heritage DAG, branches can also be aliases, in which case their target is the name of another branch in the same snapshot, or dangling, in which case the target is unknown.

A snapshot identifier is a salted sha1. See swh.model.git_objects.snapshot_git_object() in our data model module for details about how they are computed.

Parameters

  • snapshot_id (sha1) – a snapshot identifier

Query Parameters

  • branches_from (str) – optional parameter used to skip branches whose name is lesser than it before returning them

  • branches_count (int) – optional parameter used to restrain the amount of returned branches (default to 1000)

  • target_types (str) – optional comma separated list parameter used to filter the target types of branch to return (possible values that can be contained in that list are content, directory, revision, release, snapshot or alias)

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers

  • Content-Type – this depends on Accept header of request

  • Link – indicates that a subsequent result page is available and contains the url pointing to it

Response JSON Object

  • branches (object) – object containing all branches associated to the snapshot,for each of them the associated target type and id are given but also a link to get information about that target

  • id (string) – the unique identifier of the snapshot

Status Codes

Example:

https://archive.softwareheritage.org/api/1/snapshot/6a3a2cf0b2b90ce7ae1cf0a221ed68035b686f5a/

Archive statistics

GET /api/1/stat/counters/

Get statistics about the content of the archive.

Response JSON Object

  • content (number) – current number of content objects (aka files) in the archive

  • directory (number) – current number of directory objects in the archive

  • origin (number) – current number of software origins (an origin is a “place” where code source can be found, e.g. a git repository, a tarball, …) in the archive

  • origin_visit (number) – current number of visits on software origins to fill the archive

  • person (number) – current number of persons (code source authors or committers) in the archive

  • release (number) – current number of releases objects in the archive

  • revision (number) – current number of revision objects (aka commits) in the archive

  • skipped_content (number) – current number of content objects (aka files) which where not inserted in the archive

  • snapshot (number) – current number of snapshot objects (aka set of named branches) in the archive

Request Headers

  • Accept – the requested response content type, either application/json (default) or application/yaml

Response Headers
Status Codes

Example:

https://archive.softwareheritage.org/api/1/stat/counters/

Vault

GET /api/1/vault/directory/(dir_id)/

This endpoint was replaced by GET /api/1/vault/flat/(swhid)/

GET /api/1/vault/directory/(dir_id)/raw/

This endpoint was replaced by GET /api/1/vault/flat/(swhid)/raw/

GET /api/1/vault/revision/(rev_id)/gitfast/

This endpoint was replaced by GET /api/1/vault/gitfast/(swhid)/

GET /api/1/vault/gitfast/(swhid)/raw/

Fetch the cooked gitfast archive for a revision.

See GET /api/1/vault/gitfast/(swhid)/ to get more details on gitfast cooking.

Parameters

  • rev_id (string) – the revision’s sha1 identifier

Response Headers
Status Codes

  • 200 OK – no error

  • 404 Not Found – requested directory did not receive any cooking request yet (in case of GET) or can not be found in the archive (in case of POST)