Rerank documents
curl --request POST \
--url https://api.pre.dev/v1/rerank \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data @- <<EOF
{
"model": "cohere/rerank-v3.5",
"query": "How are AI calls billed?",
"documents": [
"Credits are computed from each call's metered cost.",
"Browser tasks have a 0.1-credit floor.",
"Catalog reads are free."
]
}
EOFimport requests
url = "https://api.pre.dev/v1/rerank"
payload = {
"model": "cohere/rerank-v3.5",
"query": "How are AI calls billed?",
"documents": ["Credits are computed from each call's metered cost.", "Browser tasks have a 0.1-credit floor.", "Catalog reads are free."]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: 'cohere/rerank-v3.5',
query: 'How are AI calls billed?',
documents: [
'Credits are computed from each call\'s metered cost.',
'Browser tasks have a 0.1-credit floor.',
'Catalog reads are free.'
]
})
};
fetch('https://api.pre.dev/v1/rerank', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.pre.dev/v1/rerank",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => 'cohere/rerank-v3.5',
'query' => 'How are AI calls billed?',
'documents' => [
'Credits are computed from each call\'s metered cost.',
'Browser tasks have a 0.1-credit floor.',
'Catalog reads are free.'
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.pre.dev/v1/rerank"
payload := strings.NewReader("{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.pre.dev/v1/rerank")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.pre.dev/v1/rerank")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}"
response = http.request(request)
puts response.read_body{
"model": "cohere/rerank-v3.5",
"results": [
{
"index": 0,
"relevance_score": 0.91
},
{
"index": 2,
"relevance_score": 0.34
}
],
"usage": {
"total_tokens": 41
}
}Embeddings
Rerank
Order documents by relevance to a query, with a score for each.
POST
/
v1
/
rerank
Rerank documents
curl --request POST \
--url https://api.pre.dev/v1/rerank \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data @- <<EOF
{
"model": "cohere/rerank-v3.5",
"query": "How are AI calls billed?",
"documents": [
"Credits are computed from each call's metered cost.",
"Browser tasks have a 0.1-credit floor.",
"Catalog reads are free."
]
}
EOFimport requests
url = "https://api.pre.dev/v1/rerank"
payload = {
"model": "cohere/rerank-v3.5",
"query": "How are AI calls billed?",
"documents": ["Credits are computed from each call's metered cost.", "Browser tasks have a 0.1-credit floor.", "Catalog reads are free."]
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: 'cohere/rerank-v3.5',
query: 'How are AI calls billed?',
documents: [
'Credits are computed from each call\'s metered cost.',
'Browser tasks have a 0.1-credit floor.',
'Catalog reads are free.'
]
})
};
fetch('https://api.pre.dev/v1/rerank', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.pre.dev/v1/rerank",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => 'cohere/rerank-v3.5',
'query' => 'How are AI calls billed?',
'documents' => [
'Credits are computed from each call\'s metered cost.',
'Browser tasks have a 0.1-credit floor.',
'Catalog reads are free.'
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.pre.dev/v1/rerank"
payload := strings.NewReader("{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.pre.dev/v1/rerank")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.pre.dev/v1/rerank")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"cohere/rerank-v3.5\",\n \"query\": \"How are AI calls billed?\",\n \"documents\": [\n \"Credits are computed from each call's metered cost.\",\n \"Browser tasks have a 0.1-credit floor.\",\n \"Catalog reads are free.\"\n ]\n}"
response = http.request(request)
puts response.read_body{
"model": "cohere/rerank-v3.5",
"results": [
{
"index": 0,
"relevance_score": 0.91
},
{
"index": 2,
"relevance_score": 0.34
}
],
"usage": {
"total_tokens": 41
}
}Rerank models
Rerank models are not returned byGET /v1/models or GET /v1/models/public. These ids work today: cohere/rerank-v3.5, cohere/rerank-4-fast, cohere/rerank-4-pro, voyageai/rerank-2.5, voyageai/rerank-2.5-lite, and qwen/qwen3-reranker-8b.Authorizations
apiKeyAuthxApiKey
The workspace API key (pdk_…) from Integrations → Built-in in the pre.dev dashboard.
Headers
Attribute this call to one of the workspace's projects. An id the workspace does not own is ignored.
Body
application/json
A rerank model id. GET /v1/models and GET /v1/models/public do not list rerank models; these work today: cohere/rerank-v3.5, cohere/rerank-4-fast, cohere/rerank-4-pro, voyageai/rerank-2.5, voyageai/rerank-2.5-lite, qwen/qwen3-reranker-8b.
Example:
"cohere/rerank-v3.5"
Minimum array length:
1Return only the most relevant documents.
Required range:
x >= 1Was this page helpful?

