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Mastering the API
and having fun along the way.

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{
"chris_johnson": {
"work": "bamboo_nine",
"twitter": "@defaced",
"linkedin": "dfcd.co/linkedin",
"slides": "dfcd.co/bseo-slides"
}
}

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APIs?!

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Mastering the API
1. Utilising existing APIs
2.
3.
4.

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Mastering the API
1.
2. Building your own
3.
4.

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Mastering the API
1.
2.
3. Supercharging your APIs
4.

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Mastering the API
1.
2.
3.
4. Having fun

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Not all APIs are created equal.

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Introducing…
Ask An SEO.dev

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Q. Is * a ranking factor?

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A. …

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A. It depends.

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How can I access this resource?
api.askanseo.dev

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POSTGET
HTTP Methods

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import requests
question = 'Is * a ranking factor?'
response = requests.get('https://api.askanseo.dev/?question=' + question)
# Returns true if a valid 200 response was sent.
if response:
# Print the JSON output.
print(response.json())
else:
# We didn't receive a valid 200 response. Handle the error.
print(response.status_code)
GET

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import requests
request = {'question': 'Is * a ranking factor?’}
response = requests.post('https://api.askanseo.dev/', json=request)
# Returns true if a valid 200 response was sent.
if response:
# Print the JSON output.
print(response.json())
else:
# We didn't receive a valid 200 response. Handle our error.
print(response.status_code)
POST

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{
"question": "is * a ranking factor?",
"answer": "it depends"
}
RESPONSE

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Enhance your workflow with APIs.

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Metric: Transactions
Dimension: Transaction ID

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Using Google Analytics Python API
dfcd.co/dupe-check

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{
'reportRequests’: [
{
'viewId': analytics_view_id,
'dateRanges': [
{'startDate': start_date,'endDate': end_date}
],
'metrics': [{'expression': 'ga:transactions'}],
'dimensions': [{'name': 'ga:transactionId'}],
'pageSize': 1,
'orderBys': [
{'fieldName': 'ga:transactions','sortOrder': 'DESCENDING'}
]
}
]
}

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{
"result": true
}
RESPONSE

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Building your own APIs.

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:~$ Move away from the CMD line.

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Serving your own API
1. On your desk
2.
3.

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Serving your own API
1.
2. Under your desk
3.

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Serving your own API
1.
2.
3. Under someone else’s desk*
* Not an actual desk

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Google Cloud Functions.
cloud.google.com/functions

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Your first cloud function.
Ask An SEO API

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from flask import jsonify
def api(request):
# Retrieve our GET data
request_args = request.args
# Check to see if valid data was sent via GET
if request_args and 'question' in request_args:
q = request_args['question']
return jsonify(question=q, answer='it depends')
# Otherwise reply with a 400 error
else:
return jsonify(error='bad request'), 400
GET

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from flask import jsonify
def api(request):
# Retrieve our POST data
request_json = request.get_json()
# Check to see if valid data was sent via POST
if request_json and 'question' in request_json:
q = request_json['question']
return jsonify(question=q, answer='it depends')
# Otherwise reply with a 400 error
else:
return jsonify(error='bad request'), 400
POST

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question = 'Is * a ranking factor?'
requests.get('https://cloud-function-url/api?question=' + question)
GET

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request = {'question': 'Is * a ranking factor?’}
requests.post('https://cloud-function-url/api', json=request)
POST

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Request blocked.
CORS the anti-fun policy

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Your second cloud function.
JavaScript Difference’r

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Puppeteering from the clouds.
dfcd.co/js-differ

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// Navigate to URL
await page.goto(url)
// Take an image with JavaScript
const imageJavascript = await page.screenshot()
// Disable JavaScript
await page.setJavaScriptEnabled(false)
// Navigate to URL
await page.goto(url)
// Take an image without JavaScript
const imageNoJavascript = await page.screenshot()

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This sounds expensive!

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Layout Shift GIF Generator.
dfcd.co/layout-shift

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Over 4,500 GIFs generated.
£1.60

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Supercharging your APIs.

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Automate your workflow.

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Save every API response.

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Compare with your last saved
response.
dfcd.co/dict-differ

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If there’s a difference, do
something.
dfcd.co/slack-api

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Visualise your API toolkit.
Dashboards and widgets

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Get creative.
@theshapeofashow

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Halt and Catch Fire
Season 1 - 4

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Bounce Rate
2017 - 2019

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Introducing…
Printerbot

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API driven.
Web connected.
Thermal printer.

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Oops.

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Gameboy Camera & Printerbot.

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Live demo.
@defaced

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Thank you.
dfcd.co/bseo-slides