Building Workflows - Sixtyfour AI Documentation

Workflows in Sixtyfour are linear pipelines that process data through a sequence of blocks. Each block performs a specific function — importing data, finding and enriching it, cleaning and organizing it, or sending results. Every workflow follows the same pattern:

Only Enterprise plan customers can use the Workflow Editor and Templates to create workflows in the Sixtyfour Platform. You can still create workflows programmatically using the Workflows API.

Open the Workflow Editor to start building.
For API-driven workflow management, see the Workflows API reference.
For a pre-built starting point, browse the Workflow Templates gallery.

Source Blocks

For a complete list of source blocks, see the Workflow Blocks Reference.

Every workflow starts with a source block. Pick one based on where your data lives.

Block	Description
Search	Find people or companies from Sixtyfour’s dataset using a natural language query. The most common starting point.
Read Notebook	Pull data from a previously saved Sixtyfour notebook.
Google Maps	Search for local businesses and places.
GitHub Find People	Discover developers from GitHub repositories (contributors, stargazers, watchers).
GitHub Search	Search GitHub for repositories, users, or code.
Kaggle	Pull competitors from Kaggle competition leaderboards.
Y Combinator	Fetch YC company data by batch, industry, or tags.
HubSpot Import	Import contacts or companies directly from HubSpot CRM.
X	Search X/Twitter for profiles (e.g., “AI researchers”, “crypto founders in NYC”).
TikTok	Get the following list from TikTok profile URLs or handles.
Incoming Webhooks	Receive data from external systems via API call.

Workflows starting with an Incoming Webhooks block can be triggered via API. Other source blocks run from the Workflow Editor.

Enrichment Blocks

Enrichment blocks research and append new information to each row. The block you choose depends on whether you’re working with Lead (people) or Company (organization) data.

Core Enrichment

Block	Input Type	Description
Enrich People	Lead	AI web research on people. Define custom return fields (job title, LinkedIn URL, skills, etc.) and the system researches each person.
Enrich Companies	Company	AI web research on companies. Define custom return fields (revenue, employee count, industry, etc.). Optionally discover people at each company.

Contact Finding

Block	Input Type	Description
Email address	Lead	Find professional or personal email addresses. Returns a verification status (`OK`, `UNKNOWN`, `RISKY`, `NOT_FOUND`).
Phone	Lead	Find phone numbers.
Verify Email	Lead	Check if existing email addresses are valid and deliverable.
Verify Phone	Lead	Check if existing phone numbers are valid and return carrier, line type, activity score, prepaid flag, and country signals.

Reverse Lookup

Block	Input Type	Description
Reverse Email	Lead	Look up person and company info from an email address.
Reverse Phone	Lead	Look up person and company info from a phone number.

Specialized

Block	Input Type	Description
Web Research Agent	Any	General-purpose AI agent that browses the internet to answer custom questions per row. Best for highly specialized queries.
Scrape Website	Any	Scrape web content from URLs in a column. Output as markdown or HTML; supports geo, JS rendering, and proxies.
Find Subdomains	Company	Find subdomains for a domain using the DNSDB API; supports time filters.
Backlinks	Company	Get referring domains for a target domain or URL via DataForSEO Backlinks; supports pagination.

For the underlying APIs, see People Intelligence, Company Intelligence, Find Email, and Find Phone.

Transform Blocks

Transform blocks filter, deduplicate, reshape, and prepare data between enrichment and output.

Block	Description
Filter	Keep or remove rows based on column conditions (e.g., only verified emails, companies with 100+ employees).
Deduplicate	Remove duplicate rows based on one or more columns.
Deduplicate with Notebook	Remove rows that already exist in a specified notebook. Prevents duplicates across recurring runs.
Generate Text	Generate custom text per row using a prompt template with column references. Use `{column_name}` for substitution. Useful for personalized messaging.
LLM Output	Generate structured or unstructured text per row using configurable LLM models. Use when you need typed output via a schema.
Remove Columns	Remove selected columns from the output, keeping all rows intact.
Group By	Group rows by column values with aggregation functions (sum, count, list, etc.).
Extract Leads	Extract people discovered during Company Enrichment into individual lead rows. Required before using any lead-only block on company-enriched data.
Leads to Company	Convert lead rows into company rows with nested lead arrays.

Data Type Conversion

Sixtyfour workflows operate on two data types: Lead (people) and Company (organizations). Some blocks require a specific type.

If you run Enrich Companies with people discovery enabled, the output is still Company data. You must use the Extract Leads block to convert it to Lead data before using lead-only blocks like Find Email or Find Phone.

Output Blocks

Output blocks deliver your results. They are typically the final step in a workflow.

Block	Description
Notebook	Save results to a Sixtyfour notebook. Create a new notebook or append to an existing one.
Slack	Send messages to a Slack channel. Use `{column}` for substitution and `{@column}` to tag users by email.
Outgoing Webhooks	POST workflow results to an external URL when the run completes. See Outgoing Webhooks.

Common Workflow Patterns

Find people and get their emails

Research companies, find decision-makers, get contact info

Enrich an existing list and save clean results

Import from CRM, enrich, and notify your team

Tips

Filter early. Filtering before enrichment reduces rows processed, saving time and credits.
Deduplicate across runs. Use Deduplicate with Notebook on recurring workflows to avoid saving the same results twice.
Request only what you need. Define only the return fields you need in enrichment blocks to keep results focused and costs efficient.
Bridge company to lead data. Use Extract Leads any time you need to go from company data to people data — it is the only way to cross that boundary.
To skip the blank canvas, start from a Workflow Template.
To build programmatic workflows, see Programmatic Workflows.

​Source Blocks

​Enrichment Blocks

​Core Enrichment

​Contact Finding

​Reverse Lookup

​Specialized

​Transform Blocks

​Data Type Conversion

​Output Blocks

​Common Workflow Patterns

​Find people and get their emails

​Research companies, find decision-makers, get contact info

​Enrich an existing list and save clean results

​Import from CRM, enrich, and notify your team

​Tips

Source Blocks

Enrichment Blocks

Core Enrichment

Contact Finding

Reverse Lookup

Specialized

Transform Blocks

Data Type Conversion

Output Blocks

Common Workflow Patterns

Find people and get their emails

Research companies, find decision-makers, get contact info

Enrich an existing list and save clean results

Import from CRM, enrich, and notify your team

Tips