# Uploading files and URLs

{% hint style="info" %}
Felt supports a myriad of formats, both as files and hosted URLs, up to a limit of 5GB. Check out the full list [in our Help Center](https://help.felt.com/).
{% endhint %}

## Uploading a URL

The easiest way of uploading data into a Felt map via the API is to import from a URL. Here's an example importing all the recent earthquakes from [the USGS' live GeoJSON feed](https://earthquake.usgs.gov/earthquakes/feed/v1.0/geojson.php):

{% tabs %}
{% tab title="curl" %}

```bash
# Your API token and map ID should look like this:
# FELT_API_TOKEN="felt_pat_ABCDEFUDQPAGGNBmX40YNhkCRvvLI3f8/BCwD/g8"
# MAP_ID="CjU1CMJPTAGofjOK3ICf1D"
FELT_API_TOKEN="<YOUR_API_TOKEN>"
MAP_ID="<YOUR_MAP_ID>"

curl -L \
  -X POST \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer ${FELT_API_TOKEN}" \
  "https://felt.com/api/v2/maps/${MAP_ID}/upload" \
  -d '{"import_url":"https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.geojson", "name": "USGS Earthquakes"}'
```

{% endtab %}

{% tab title="Python" %}

```python
import requests

# Your API token should look like this:
# api_token = "felt_pat_ABCDEFUDQPAGGNBmX40YNhkCRvvLI3f8/BCwD/g8"
api_token = "<YOUR_API_TOKEN>"
map_id = "<YOUR_MAP_ID>"

r = requests.post(
  f"http://felt.com/api/v2/maps/{map_id}/upload",
  json={
    "import_url":"https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.geojson",
    "name": "USGS Earthquakes",
  },
  headers={"Authorization": f"Bearer {api_token}"}
)
assert r.ok
layer_id = r.json()["layer_id"]
```

{% endtab %}

{% tab title="felt-python" %}

```python
import os

from felt_python import upload_url

# Setting your API token as an env variable can save
# you from repeating it in every function call
os.environ["FELT_API_TOKEN"] = "<YOUR_API_TOKEN>"

map_id = "<YOUR_MAP_ID>"

url_upload = upload_url(
    map_id=map_id,
    layer_url="https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.geojson",
    layer_name="USGS Earthquakes",
)
layer_id = url_upload["layer_id"]
```

{% endtab %}
{% endtabs %}

Like maps, layers also have unique identifiers. Make sure to take note of them for subsequent calls, like styling a layer or removing it.

## Uploading a file

{% hint style="info" %}
Uploading a file is a single function call using the `felt-python` library.
{% endhint %}

Files aren't uploaded to the Felt app — instead, they're uploaded directly to Amazon S3. Therefore, creating a layer from a file on your computer is a two-step process:

### 1. Request an upload via the Felt API

Perform a `POST` request to receive an S3 presigned URL which you can later upload your files to:

{% tabs %}
{% tab title="Python" %}

```python
r = requests.post(
    f"https://felt.com/api/v2/maps/{map_id}/upload",
    headers={
        "Authorization": f"Bearer {api_token}",
        "Content-Type": "application/json",
    },
    json={"name": "My new layer"},
)
assert r.ok
layer_id = r.json()["layer_id"]

presigned_upload = r.json()
```

{% endtab %}

{% tab title="felt-python" %}

```python
from felt_python import upload_file

file_name = "<YOUR_FILE_WITH_EXTENSION>" # Example: regions.geojson

upload_file(
  map_id=map_id,
  file_name="YOUR_FILE_WITH_EXTENSION",
  layer_name="My new layer",
)
```

{% endtab %}
{% endtabs %}

### 2. Upload your file(s) to Amazon s3

{% tabs %}
{% tab title="Python" %}

```python
# This code is a continuation of the previous Python code block
# and assumes you already have a "presigned_upload" variable

file_name = "<YOUR_FILE_WITH_EXTENSION>" # Example: regions.geojson

url = presigned_upload["url"]
presigned_attributes = presigned_upload["presigned_attributes"]
# A 204 response indicates that the upload was successful
with open(file_name, "rb") as file_obj:
    output = requests.post(
        url,
        # Order is important, file should come at the end
        files={**presigned_attributes, "file": file_obj},
    )
```

{% endtab %}

{% tab title="felt-python" %}

```python
# Nothing! Uploading a file is a single step with the felt-python library
```

{% endtab %}
{% endtabs %}

## Monitoring progress

You can check the upload status of a layer by querying it:

{% tabs %}
{% tab title="curl" %}

```bash
curl -L \
  "https://felt.com/api/v2/maps/${MAP_ID}/layers/{LAYER_ID}" \
  -H "Authorization: Bearer ${YOUR_API_TOKEN}"
```

{% endtab %}

{% tab title="Python" %}

```python
r = requests.get(
    f"https://felt.com/api/v2/maps/{map_id}/layers/{layer_id}",
    headers={"Authorization": f"Bearer {api_token}"},
)
assert r.ok
print(r.json()["progress"])
```

{% endtab %}

{% tab title="felt-python" %}

```python
from felt_python import get_layer_details

get_layer_details(map_id, layer_id)["progress"]
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developers.felt.com/rest-api/uploading-files-and-urls.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.