diff --git a/biblio-tools/examples.http b/biblio-tools/examples.http
index 3d67f28..f25a107 100644
--- a/biblio-tools/examples.http
+++ b/biblio-tools/examples.http
@@ -6,7 +6,8 @@
   { "value": "10.1016/j.fuel.2018.07.071" },
   { "value": "10.1007/s10980-018-0699-8" },
   { "value": "10.1159/000490004" },
-  { "value": "10.1016/j.memsci.2018.08.024"}
+  { "value": "10.1016/j.memsci.2018.08.024"},
+  { "value": "unknown"}
 ]
 ###
 
@@ -21,7 +22,8 @@
   { "value": "10.1007/s10980-018-0699-8" },
   { "value": "10.1159/000490004" },
   { "value": "10.1016/j.memsci.2018.08.024"},
-  { "value": "10.1029/2018jd029272"}
+  { "value": "10.1029/2018jd029272"},
+  { "value": "unknown"}
 ]
 ###
 
@@ -35,7 +37,8 @@
   { "value": "10.1159/000490004" },
   { "value": "10.1016/j.memsci.2018.08.024"},
   { "value": "10.1029/2018jd029272"},
-  { "value": "10.4000/edc.9014"}
+  { "value": "10.4000/edc.9014"},
+  { "value": "unknown"}
 ]
 ###
 
@@ -48,7 +51,8 @@
   { "value": "10.1016" },
   { "value": "10.1007" },
   { "value": "10.1159" },
-  { "value": "10.1037"}
+  { "value": "10.1037"},
+  { "value": "unknown"}
 ]
 ###
 
@@ -64,6 +68,39 @@
   { "value": "10.1159/000490004" },
   { "value": "10.1016/j.memsci.2018.08.024"},
   { "value": "10.1029/2018jd029272"},
-  { "value": "10.4000/edc.9014"}
+  { "value": "10.4000/edc.9014"},
+  { "value": "unknown"}
+]
+###
+
+# inspirehep/works/expand
+POST https://biblio-tools.services.inist.fr/v1/inspirehep/works/expand?indent=true HTTP/1.1
+Content-Type: application/json
+
+[
+  { "value": "10.1103/PhysRevLett.19.1264"},
+  { "value": "10.1016/j.fuel.2018.07.071" },
+  { "value": "10.1007/s10980-018-0699-8" },
+  { "value": "10.1159/000490004" },
+  { "value": "10.1016/j.memsci.2018.08.024"},
+  { "value": "10.1029/2018jd029272"},
+  { "value": "10.4000/edc.9014"},
+  { "value": "unknown"}
+]
+###
+
+# openalex/works/expand
+POST https://biblio-tools.services.inist.fr/v1/openalex/works/expand?indent=true HTTP/1.1
+Content-Type: application/json
+
+[
+  { "value": "10.1103/PhysRevLett.19.1264"},
+  { "value": "10.1016/j.fuel.2018.07.071" },
+  { "value": "10.1007/s10980-018-0699-8" },
+  { "value": "10.1159/000490004" },
+  { "value": "10.1016/j.memsci.2018.08.024"},
+  { "value": "10.1029/2018jd029272"},
+  { "value": "10.4000/edc.9014"},
+  { "value": "unknown"}
 ]
 ###
diff --git a/biblio-tools/v1/crossref/prefixes/expand.ini b/biblio-tools/v1/crossref/prefixes/expand.ini
index f697aea..66586cc 100644
--- a/biblio-tools/v1/crossref/prefixes/expand.ini
+++ b/biblio-tools/v1/crossref/prefixes/expand.ini
@@ -32,7 +32,7 @@
 [expand]
 path = value
 size = 1
-cacheName = prefixes
+cacheName = crossref-prefixes
 
 [expand/assign]
 path = value
diff --git a/biblio-tools/v1/crossref/works/expand.ini b/biblio-tools/v1/crossref/works/expand.ini
index 267ac17..45fb5c9 100644
--- a/biblio-tools/v1/crossref/works/expand.ini
+++ b/biblio-tools/v1/crossref/works/expand.ini
@@ -27,7 +27,6 @@
 
 # Flow configuration
 [JSONParse]
-[JSONParse]
 legacy = false
 separator = $
 
diff --git a/biblio-tools/v1/inspirehep/works/expand.ini b/biblio-tools/v1/inspirehep/works/expand.ini
new file mode 100644
index 0000000..02ca9d6
--- /dev/null
+++ b/biblio-tools/v1/inspirehep/works/expand.ini
@@ -0,0 +1,84 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-openalex-works-expand
+post.description = Récupération des métadonnées associées à un DOI dans openAlex
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant le DOI
+post.tags.0 = biblio-tools
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = 10.4000/edc.9014
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = { ... }
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les prefixes DOI en version textuel
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+
+# Necessary plugins
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+# Flow configuration
+[JSONParse]
+legacy = false
+separator = $
+
+[expand]
+path = value
+cacheName = inspirehep-works
+
+[expand/URLFetch]
+url = get('value').prepend('https://inspirehep.net/api/doi/')
+json = true
+target = fix('value')
+timeout = 5000
+noerror = true
+
+; Suppression de certains champs
+[expand/exchange]
+value = omit(['value.metadata.references'])
+
+; Simplification de la structure de la notice
+[expand/OBJFlatten]
+
+
+[expand/replace]
+path = id
+value = get('id')
+path = value
+value = self().omit('id').mapKeys((val, key) => key.replace('value/', ''))
+
+; Simplification de la structure du champs authorships
+[expand/expand]
+path = value.metadata/authors
+
+[expand/expand/exploding]
+
+[expand/expand/OBJFlatten]
+
+[expand/expand/replace]
+path = id
+value = get('id')
+path = value
+value = self().omit('id').mapKeys((val, key) => key.replace('value/', ''))
+
+[expand/expand/aggregate]
+
+# On marque les réponses qui n'ont pas abouties
+[swing]
+test = has('value.id')
+reverse = true
+
+[swing/assign]
+path = value
+value = fix('n/a')
+
+[dump]
+indent = env('indent', false)
diff --git a/biblio-tools/v1/openalex/works/expand.ini b/biblio-tools/v1/openalex/works/expand.ini
new file mode 100644
index 0000000..a787749
--- /dev/null
+++ b/biblio-tools/v1/openalex/works/expand.ini
@@ -0,0 +1,84 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-openalex-works-expand
+post.description = Récupération des métadonnées associées à un DOI dans openAlex
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant le DOI
+post.tags.0 = biblio-tools
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = 10.4000/edc.9014
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = { ... }
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les prefixes DOI en version textuel
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+
+# Necessary plugins
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+# Flow configuration
+[JSONParse]
+legacy = false
+separator = $
+
+[expand]
+path = value
+cacheName = openalex-works
+
+[expand/URLFetch]
+url = get('value').prepend('https://api.openalex.org/works/doi:')
+json = true
+target = fix('value')
+timeout = 5000
+noerror = true
+
+; Suppression de certains champs
+[expand/exchange]
+value = omit(['value.referenced_works', 'value.related_works', 'value.abstract_inverted_index'])
+
+; Simplification de la structure de la notice
+[expand/OBJFlatten]
+
+[expand/replace]
+path = id
+value = get('id')
+path = value
+value = self().omit('id').mapKeys((val, key) => key.replace('value/', ''))
+
+; Simplification de la structure du champs authorships
+[expand/expand]
+path = value.authorships
+
+[expand/expand/exploding]
+
+[expand/expand/OBJFlatten]
+
+[expand/expand/replace]
+path = id
+value = get('id')
+path = value
+value = self().omit('id').mapKeys((val, key) => key.replace('value/', ''))
+
+[expand/expand/aggregate]
+
+
+# On marque les réponses qui n'ont pas abouties
+[swing]
+test = has('value.doi')
+reverse = true
+
+[swing/assign]
+path = value
+value = fix('n/a')
+
+[dump]
+indent = env('indent', false)
diff --git a/biblio-tools/v1/unpaywall/corhal.ini b/biblio-tools/v1/unpaywall/corhal.ini
index b8d52aa..1f59d41 100644
--- a/biblio-tools/v1/unpaywall/corhal.ini
+++ b/biblio-tools/v1/unpaywall/corhal.ini
@@ -81,9 +81,6 @@
 [spawn/combine/drop]
 path = is_oa
 
-[spawn/combine/debug]
-text = graphql.output
-
 # On créé l'object attendu par combine { id, value } pour faire le mapping
 [spawn/combine/replace]
 path = id
@@ -111,5 +108,14 @@
 path = value
 value = get('value.value', self.value)
 
+# On marque les réponses qui n'ont pas abouties
+[swing]
+test = has('value.is_oa')
+reverse = true
+
+[swing/assign]
+path = value
+value = fix('n/a')
+
 [dump]
 indent = env('indent')
diff --git a/biblio-tools/v1/unpaywall/expand.ini b/biblio-tools/v1/unpaywall/expand.ini
index 03460c1..66efff0 100644
--- a/biblio-tools/v1/unpaywall/expand.ini
+++ b/biblio-tools/v1/unpaywall/expand.ini
@@ -107,5 +107,14 @@
 path = value
 value = get('value.value', self.value)
 
+# On marque les réponses qui n'ont pas abouties
+[swing]
+test = has('value.is_oa')
+reverse = true
+
+[swing/assign]
+path = value
+value = fix('n/a')
+
 [dump]
 indent = env('indent')