Neynar Documentation

Documentation Index

Fetch the complete documentation index at: /llms.txt

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Post a reaction

cURL

curl --request POST \
  --url https://api.neynar.com/v2/farcaster/reaction/ \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: NEYNAR_API_DOCS' \
  --data '
{
  "signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
  "target": "0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/",
  "idem": "<string>",
  "target_author_fid": 3
}
'

Python

import requests

url = "https://api.neynar.com/v2/farcaster/reaction/"

payload = {
    "signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
    "target": "0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/",
    "idem": "<string>",
    "target_author_fid": 3
}
headers = {
    "x-api-key": "NEYNAR_API_DOCS",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

JavaScript (Fetch)

const options = {
  method: 'POST',
  headers: {'x-api-key': 'NEYNAR_API_DOCS', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    signer_uuid: '19d0c5fd-9b33-4a48-a0e2-bc7b0555baec',
    target: '0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/',
    idem: '<string>',
    target_author_fid: 3
  })
};

fetch('https://api.neynar.com/v2/farcaster/reaction/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

PHP

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.neynar.com/v2/farcaster/reaction/",
  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([
    'signer_uuid' => '19d0c5fd-9b33-4a48-a0e2-bc7b0555baec',
    'target' => '0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/',
    'idem' => '<string>',
    'target_author_fid' => 3
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: NEYNAR_API_DOCS"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
?>

Go

package main

import (
    "fmt"
    "strings"
    "net/http"
    "io"
)

func main() {

url := "https://api.neynar.com/v2/farcaster/reaction/"

payload := strings.NewReader("{\n  \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n  \"target\": \"0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/\",\n  \"idem\": \"<string>\",\n  \"target_author_fid\": 3\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("x-api-key", "NEYNAR_API_DOCS")
    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))
}

Java - Unirest

HttpResponse<String> response = Unirest.post("https://api.neynar.com/v2/farcaster/reaction/")
  .header("x-api-key", "NEYNAR_API_DOCS")
  .header("Content-Type", "application/json")
  .body("{\n  \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n  \"target\": \"0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/\",\n  \"idem\": \"<string>\",\n  \"target_author_fid\": 3\n}")
  .asString();

Ruby

require 'uri'
require 'net/http'

url = URI("https://api.neynar.com/v2/farcaster/reaction/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["x-api-key"] = 'NEYNAR_API_DOCS'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n  \"target\": \"0x3702ec1b298bb7ac6f00346432d959ad7b05b9a8 -OR- http://neynar.com/\",\n  \"idem\": \"<string>\",\n  \"target_author_fid\": 3\n}"

response = http.request(request)
puts response.read_body

Response Codes

Example Responses

{
  "message": "<string>",
  "success": true
}

{
  "message": "<string>",
  "code": "<string>",
  "property": "<string>",
  "status": 123
}

API Specifications

Authorizations

Body Details