Apollo.io Phone & Email Validation Integration
Validate phone and email data automatically across Apollo.io, so your team works from clean, verified records.
The 1Lookup Apollo.io integration validates phone numbers and verifies emails inside Apollo.io. When a record is created or updated, 1Lookup checks the number's line type and carrier and the email's deliverability, then writes the result back so your team works Apollo.io from clean, reachable contacts instead of guesswork.
Why validate Apollo.io data with 1Lookup
Outbound motion in Apollo.io depends on reaching real people. Bad numbers and dead emails burn rep hours and hurt deliverability. 1Lookup validates each contact so your Apollo.io sequences only target reachable phones and deliverable inboxes.
Push validated fields back into Apollo.io to prioritise reachable mobile numbers for SMS and calls, suppress disposable or role-based emails, and protect domain reputation as you scale outreach.
What you can do
Phone validation
Confirm a number is real and see its line type and carrier inside Apollo.io.
Email verification
Check deliverability and flag disposable and role-based addresses in Apollo.io.
Risk & spam signals
Surface spam-reported and high-risk numbers so Apollo.io records can be screened.
Bulk clean-up
Validate the contacts already in Apollo.io in bulk, not just new ones.
How to connect 1Lookup to Apollo.io
Create a 1Lookup account and API key
Sign up for a free 1Lookup account and generate an API key from the dashboard. Free-tier lookups let you test before rolling out.
Store the key securely
Keep the 1Lookup API key in your backend's secrets store (e.g. environment variables), not in client code.
Call the 1Lookup REST API
From your Apollo.io workflow, send the phone, email, or IP to validate and read the clean JSON response.
Map and persist
Write the validated fields back into Apollo.io for reporting and automation.
Use cases
Higher connect rates
Route only valid mobile lines from Apollo.io to dialers and SMS, lifting the share of attempts that connect.
Protected deliverability
Filter disposable and role-based emails before Apollo.io sends, keeping bounce rates and spam complaints down.
Frequently asked questions
What does 1Lookup validate for Apollo.io?
1Lookup validates phone and email data. For phone numbers it returns validity, line type, and carrier; for emails it returns deliverability and detects disposable and role-based addresses. You choose which fields to store in Apollo.io.
Do I need to write code to use 1Lookup with Apollo.io?
Yes, this integration calls the 1Lookup REST API, so it suits developer workflows. You authenticate with an API key and map the JSON response into Apollo.io.
Can I validate records I already have in Apollo.io?
Yes. Alongside real-time validation, you can run existing Apollo.io records through 1Lookup batch validation and write the cleaned results back.
How long does setup take?
Setup is quick for most teams. The exact time depends on how many fields you map and whether you validate in real time, in bulk, or both.