Documentation Index
Fetch the complete documentation index at: https://docs.sixtyfour.ai/llms.txt
Use this file to discover all available pages before exploring further.
Use case
Discover which block types you can use when building workflows. UseGET /workflows/blocks to retrieve the full list and specs schemas programmatically. This page provides a quick reference for common use cases.
API Reference
See the full request/response schema and parameters in the API Reference.
Pricing
See Credits & Pricing Guide for credit costs.Errors
For error responses (400, 403, 404, etc.), see Handling Errors.Get available blocks
Retrieve the list of all workflow block types supported by the API, along with their specs schemas.block_type when building a workflow) and a specs_schema object describing its configurable fields.
Available blocks
The UI name is the name of the block as it appears in the Workflow Builder.
| Block Type | UI Name | Use Case |
|---|---|---|
append_to_notebook | Notebook | Append or upsert workflow rows into a notebook (supports duplicate detection and column mapping) |
backlinks_referring_domains | Backlinks | Get referring domains data from DataForSEO Backlinks API for a target domain or URL, with pagination |
company_enrichment | Enrich Company | Enrich company records; optionally find people, define lead struct, or use a research plan |
company_to_leads | Extract Leads | Expand company rows into individual lead records (select company/lead fields) |
deduplicate | Deduplicate | Remove duplicate rows from input based on specified column(s); choose first, last, or remove all |
deduplicate_wrt_notebook | Deduplicate with Notebook | Deduplicate against a notebook tab (single or multi-column matching); optionally keep only rows that exist in notebook |
filter | Filter | Filter rows by pandas query string or field-based conditions (include, exclude, contains, not_contains) |
find_email | Email address | Find professional or personal email addresses for leads; optionally verify emails |
find_phone | Phone | Find phone numbers for leads |
find_subdomains | Find Subdomains | Find subdomains for a domain using DNSDB API (with optional time filters) |
github_find_people | GitHub Find People | Find people from GitHub repos: contributors, stargazers, or watchers; requires integration and repository column |
github_search | GitHub Search | Search GitHub for repositories, users, or code; requires integration, search type, and query |
google_maps_search | Google Maps | Search Google Maps for places by query, location, Place ID, or CID; returns phone numbers and business details; supports pagination |
group_by | Group By | Group rows by column(s) and aggregate others (first, last, count, sum, list, concat, min, max); optionally nest data |
hubspot_import | HubSpot Import | Import contacts or companies from HubSpot; requires integration and object type |
kaggle_leaderboard | Kaggle | Get leaderboard participants from Kaggle competitions; requires competition column |
lead_enrichment | Enrich People | Enrich lead records with return fields and optional research plan |
leads_to_company | Leads to Company | Group leads into company rows with nested leads list; inverse of company_to_leads |
llm_openai | Generate Text | Generate text via prompt template over input rows; use {column_name} for column substitution |
outgoing_webhook | Outgoing Webhooks | POST workflow results to an external URL on completion. See Outgoing Webhooks; signed with HMAC-SHA256 if the org has a signing secret — see Signing Secrets & Verification. |
qa_agent | N/A | Run an agent that answers questions using tools; configurable max tool calls |
read_notebook | Read Notebook | Read data from a notebook tab; requires notebook_id, tab_id, and dataframe type (LEAD or COMPANY) |
remove_columns | Remove Columns | Remove specified columns from the data |
research_agent | Web Research Agent | Run research with optional struct and research plan |
reverse_email | Reverse Email | Look up person or company info from an email address |
reverse_phone | Reverse Phone | Look up person or company info from a phone number |
scrape_web | Scrape Website | Scrape web content from URLs in a column; output as markdown or HTML; supports geo, JS rendering, proxies |
search | Search | Load search results persisted to storage as CSV, or accept direct results; requires dataframe type |
send_slack_message | Slack | Send Slack messages to channels or DMs; use {column} for substitution, {@column} to tag by email |
tiktok_get_following | TikTok | Get TikTok following list from profile URLs or handles in a column |
transform_data | LLM Output | Generate structured or unstructured text using configurable LLM models |
verify_email | Verify Email | Verify email deliverability using Emailable API (default column: email) |
verify_phone | Verify Phone | Verify phone numbers using Trestle phone_intel; returns validity, line type, carrier, activity score, prepaid flag, and country signals (default column: phone; optional country_hint) |
webhook | Incoming Webhooks | Accept external input via webhook; requires input_schema and dataframe_type (workflow entry point). See Incoming Webhooks. |
x_search | X | Search X/Twitter for profiles by query (e.g., “AI researchers”, “crypto founders in NYC”) |
yc_batches | N/A | Fetch Y Combinator batch metadata |
yc_companies | Y Combinator | Search or filter Y Combinator companies by batch, industry, tags, or status |