Skip to content
Scrappa Get API key
99.co API 1 credit/request

99.co Development Transactions API Documentation

GET https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5

Read the recorded sale or rental transactions of one development. Sale rows carry the month, block, masked unit, bedrooms, area in square feet, price and price per square foot. Rental rows carry the month, bedrooms, an area band, rent and rent per square foot. Every row keeps the display label and adds parsed numbers. The response also returns the table headers, pagination, and the overview with profitability and price statistics. Take the development_id from a /search item or from /autocomplete. District, area and street ids are not accepted. A development id that does not exist is a non-billable 404, and a page past the last one is an empty page that keeps the requested page number.

99.co Development Transactions API Documentation 1 credit/request

Endpoint

Request preview
GET
https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5
Auth header
x-api-key
Cost
1 credit/request
development_id = deBww68UZiCQC9buT6HJHn94 transaction_type = sale
Response preview
200 OK
{
    "success": true,
    "data": {
        "development_id": "deBww68UZiCQC9buT6HJHn94",
        "transaction_type": "sale",
        "currency": "SGD",
        "headers": [
            {
                "key": "date",
                "title": "Date sold"
            },
            {
                "key": "blk",
                "title": "Block"
...

Parameters

Start with the required fields, then add optional filters only when your use case needs them.

Runnable path

2 required parameters needed before sending a request.

2 optional filters available.

development_id string Required

Development id from the development_id field of a /search item or /autocomplete suggestion. Example: deBww68UZiCQC9buT6HJHn94.

Example value deBww68UZiCQC9buT6HJHn94
transaction_type string Required

sale or rent.

Example value sale
page integer Optional

One-based page number, 1 to 5000. Defaults to 1.

Example value 1
limit integer Optional

Transactions per page, 1 to 60. Defaults to 20.

Example value 5

Request Examples

PHP
<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => "https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET",
    CURLOPT_HTTPHEADER => [
        "x-api-key: YOUR_API_KEY_HERE"
    ],
]);

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

curl_close($curl);

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

use Illuminate\Support\Facades\Http;

$response = Http::timeout(30)
    ->withHeaders(['x-api-key' => 'YOUR_API_KEY_HERE'])
    ->get('https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5');

if ($response->successful()) {
    echo $response->body();
} else {
    echo "Error: " . $response->status();
}
JavaScript
const options = {
    method: 'GET',
    headers: {
        'x-api-key': 'YOUR_API_KEY_HERE'
    }
};

fetch('https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5', options)
    .then(response => {
        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
        }
        return response.text();
    })
    .then(data => console.log(data))
    .catch(error => console.error('Error:', error));
JavaScript
const axios = require('axios');

const options = {
    method: 'GET',
    url: 'https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5',
    headers: {
        x-api-key: 'YOUR_API_KEY_HERE',
    }
};

try {
    const response = await axios(options);
    console.log(response.data);
} catch (error) {
    console.error('Error:', error.message);
}
Ruby
require 'net/http'
require 'uri'

uri = URI.parse("https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == 'https'

request = Net::HTTP::Get.new(uri.request_uri)
request['x-api-key'] = 'YOUR_API_KEY_HERE'

begin
    response = http.request(request)
    puts response.body
rescue => e
    puts "Error: #{e.message}"
end
Python
import http.client
import json

conn = http.client.HTTPSConnection("scrappa.co")

headers = {
    'x-api-key': 'YOUR_API_KEY_HERE',
}

try:
    conn.request("GET", "/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5", headers=headers)
    res = conn.getresponse()
    data = res.read()
    print(data.decode("utf-8"))
except Exception as e:
    print(f"Error: {e}")
finally:
    conn.close()
Python
import requests

headers = {
    'x-api-key': 'YOUR_API_KEY_HERE',
}

try:
    response = requests.get('https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5', headers=headers)
    response.raise_for_status()
    print(response.text)
except requests.exceptions.RequestException as e:
    print(f"Error: {e}")
Java
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.io.IOException;

public class ApiExample {
    public static void main(String[] args) {
        OkHttpClient client = new OkHttpClient();

        Request request = new Request.Builder()
            .url("https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5")
        .addHeader("x-api-key", "YOUR_API_KEY_HERE")
            .build();

        try (Response response = client.newCall(request).execute()) {
            if (response.isSuccessful()) {
                System.out.println(response.body().string());
            } else {
                System.out.println("Error: " + response.code());
            }
        } catch (IOException e) {
            System.out.println("Error: " + e.getMessage());
        }
    }
}
Go
package main

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

func main() {
    client := &http.Client{}
    req, err := http.NewRequest("GET", "https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5", nil)
    if err != nil {
        fmt.Println("Error creating request:", err)
        return
    }
    req.Header.Set("x-api-key", "YOUR_API_KEY_HERE")

    resp, err := client.Do(req)
    if err != nil {
        fmt.Println("Error making request:", err)
        return
    }
    defer resp.Body.Close()

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("Error reading response:", err)
        return
    }

    fmt.Println(string(body))
}
Terminal
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5"
C#
using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY_HERE");

        try
        {
            var response = await client.SendAsync(new HttpRequestMessage(HttpMethod.Get, "https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5"));
            var content = await response.Content.ReadAsStringAsync();
            Console.WriteLine(content);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error: {ex.Message}");
        }
    }
}
TypeScript
import axios from 'axios';

async function run(): Promise<void> {
    try {
        const response = await axios({
            method: 'GET',
            url: 'https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5',
            headers: {
        'x-api-key': 'YOUR_API_KEY_HERE',
            },
        });

        console.log(response.data);
    } catch (error) {
        console.error('Error:', error);
    }
}

void run();
RUST
use reqwest::Client;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();

    let response = client
        .get("https://scrappa.co/api/99co/v1/transactions?development_id=deBww68UZiCQC9buT6HJHn94&transaction_type=sale&limit=5")
        .header("x-api-key", "YOUR_API_KEY_HERE")
        .send()
        .await?;

    println!("{}", response.text().await?);

    Ok(())
}

Response Schema

Example response fields are illustrative; inspect the JSON before integrating.

Example response fields

Scan these fields before integrating.

success data meta
JSON Response
200 OK
{
    "success": true,
    "data": {
        "development_id": "deBww68UZiCQC9buT6HJHn94",
        "transaction_type": "sale",
        "currency": "SGD",
        "headers": [
            {
                "key": "date",
                "title": "Date sold"
            },
            {
                "key": "blk",
                "title": "Block"
            },
            {
                "key": "unit",
                "title": "Unit"
            },
            {
                "key": "beds",
                "title": "Beds"
            },
            {
                "key": "psf_psm",
                "title": "PSF"
            },
            {
                "key": "area",
                "title": "Area (sqft)"
            },
            {
                "key": "price",
                "title": "Price sold"
            }
        ],
        "items": [
            {
                "date": "07/2026",
                "block": "37",
                "unit": "#12-xx",
                "bedrooms": 2,
                "bedrooms_label": "2 BR",
                "area_sqft_min": 915,
                "area_sqft_max": 915,
                "area_label": "915",
                "price": 2150000,
                "price_label": "S$ 2.150M",
                "price_per_sqft": 2350,
                "price_per_sqft_label": "S$ 2,350",
                "is_gfa_harmonised": false,
                "transaction_type": "sale"
            }
        ],
        "pagination": {
            "current_page": 1,
            "page_size": 5,
            "total_results": 432,
            "total_pages": 87,
            "has_next_page": true
        },
        "overview": {
            "profitability": {
                "transactions_description": "of 432 transactions sold at a profit",
                "profit_description": "(33.1% profitable)",
                "trend": "up",
                "highest_sold_psf": "S$ 2,528 psf",
                "average_years_held": "(8.4 yrs)"
            },
            "statistics": {
                "price": {
                    "average_count": "S$ 2.1 M",
                    "description": "-8.2% (YoY)",
                    "trend": "down"
                },
                "psf": {
                    "average_count": "S$ 2,355 psf",
                    "description": "-2.8% (YoY)",
                    "trend": "down"
                }
            }
        }
    },
    "meta": {
        "endpoint_family": "transactions",
        "billable": true
    }
}

Errors

Handle these documented responses before retrying or showing customer-facing failures.

422

Validation Error

A public parameter is missing or invalid. No upstream call is made and the response is not billable.

{
    "errors": {
        "listing_type": [
            "The listing type field is required."
        ]
    },
    "message": "The request validation failed"
}
404

Resource Not Found

The requested 99.co resource does not exist. The response is not billable.

{
    "meta": {
        "billable": false,
        "retryable": false,
        "endpoint_family": "transactions"
    },
    "error": {
        "code": "NOT_FOUND",
        "message": "The requested 99.co resource was not found."
    },
    "success": false
}
502

Unexpected Upstream Response

99.co answered with a body that is not the documented shape. The response is not billable.

{
    "meta": {
        "billable": false,
        "retryable": true,
        "endpoint_family": "transactions"
    },
    "error": {
        "code": "PARSER_DRIFT",
        "message": "99.co returned an unexpected response."
    },
    "success": false
}
503

Upstream Unavailable

99.co was temporarily unavailable or blocked the request. The response is not billable and the request never answers 429.

{
    "meta": {
        "billable": false,
        "retryable": true,
        "endpoint_family": "transactions"
    },
    "error": {
        "code": "UPSTREAM_UNAVAILABLE",
        "message": "The 99.co API is temporarily unavailable. Please retry."
    },
    "success": false
}

Generate Code with AI

Copy a ready-made prompt with all the endpoint details, parameters, and example responses. Paste it into ChatGPT, Claude, or any AI assistant to instantly generate working code.

Try It Live

Test this endpoint in our interactive playground with real data.