Example of using Mapzen's Search API to do geocoding, using Python 3.x and the requests library. More advanced version here: https://gist.github.com/dannguyen/036a62e32fc9f6765b82

mapzen-geocoding-with-python3.py

# Example of using Mapzen Search for free geocoding
# https://mapzen.com/documentation/search/search/
# result of geocoding all of New York's Starbucks: http://bit.ly/1P34T7h
from os import environ
import requests
API_KEY = environ['MAPZEN_SEARCH_KEY']
BASE_URL = 'https://search.mapzen.com/v1/search'
txt = '1007 MORRIS PARK AVE, 10462'
resp = requests.get(BASE_URL, params = {'api_key': API_KEY, 'size': 1, 'text': txt})
data = resp.json()
bbox = data['bbox']
# The data object returns a `bbox` attribute; by definition, for a single point
# the two points will be the same, e.g.
# 'bbox': [-73.85607, 40.848467, -73.85607, 40.848467]
# However, we take the average just in case the sole result is some kind of shape
pt = {'longitude': (bbox[0] + bbox[2]) / 2, 'latitude': (bbox[1] + bbox[3]) / 2  }

search-result.json

{
  "geocoding": {
    "attribution": "https://search.mapzen.com/v1/attribution",
    "query": {
      "text": "1007 MORRIS PARK AVE, 10462",
      "private": false,
      "parsed_text": {
        "number": 1007,
        "street": "MORRIS PARK AVE",
        "postalcode": 10462,
        "admin_parts": "10462",
        "name": "1007 MORRIS PARK AVE",
        "regions": []
      },
      "size": 1
    },
    "timestamp": 1448293084662,
    "engine": {
      "name": "Pelias",
      "author": "Mapzen",
      "version": "1.0"
    },
    "version": "0.1"
  },
  "type": "FeatureCollection",
  "features": [
    {
      "geometry": {
        "coordinates": [
          -73.85607,
          40.848467
        ],
        "type": "Point"
      },
      "type": "Feature",
      "properties": {
        "confidence": 0.5,
        "country": "United States",
        "name": "1007 Morris Park Avenue",
        "locality": "New York",
        "street": "Morris Park Avenue",
        "postalcode": "10462",
        "country_a": "USA",
        "housenumber": "1007",
        "region_a": "NY",
        "layer": "address",
        "county": "Bronx County",
        "label": "1007 Morris Park Avenue, Bronx, NY",
        "region": "New York",
        "id": "address-osmway-281729442",
        "neighbourhood": "Van Nest",
        "localadmin": "Bronx",
        "source": "osm",
        "gid": "osm:address:address-osmway-281729442"
      }
    }
  ],
  "bbox": [
    -73.85607,
    40.848467,
    -73.85607,
    40.848467
  ]
}