Ellipse Gradient for Header

Apollo.io Integration Guide

Connect Apollo.io prospect, organization, enrichment, and engagement data with enterprise systems through REST APIs, selected webhook events, and Martini workflows.

Apollo.io integration options at a glance

Apollo.io’s primary integration mechanism is its REST API, which supports prospect and organization search, person and organization enrichment, contact management, account operations, and selected sales-engagement activities. Apollo also provides webhook-style notifications for selected events, although coverage is not universal across objects or state changes. Bulk or batch enrichment is available for selected people and organization use cases. API-key authentication is documented for public API access, while general OAuth coverage is not confirmed. Martini can consume these endpoints, process JSON responses, receive supported webhook requests, schedule synchronization workflows, apply validation and business rules, and expose controlled APIs for CRM or internal applications.

Integration pointSupported by Apollo.io?Common use casesHow Martini supports it
REST APIsYesSearch People and Organizations, enrich individuals and companies, manage Contacts and Accounts, and perform selected engagement operations using structured JSON responses.Martini can consume Apollo REST endpoints from workflows, map responses, apply business rules, persist synchronization state, and expose a separate controlled Martini API.
Webhooks and outbound callbacksLimitedReceive notifications for selected Apollo events or integrations. Coverage is not universal across Apollo objects and state transitions.Martini can expose an API endpoint or workflow trigger, validate requests, apply idempotency checks, and retrieve the current Apollo object when a notification is only a reference.
Bulk and batch APIsLimitedPerform selected people and organization enrichment in batches, subject to record limits, credit usage, rate limits, and partial-result behavior.Martini can construct batches, enforce endpoint-specific limits, process per-record results, retry transient failures, and route invalid items for review.
AuthenticationYesAuthenticate public Apollo API requests with API keys supplied according to the endpoint documentation.Martini can store API keys as environment-managed secrets and reference them from API configurations without embedding credentials in workflow definitions.
File and attachment APIsNot confirmedNo general-purpose Apollo file-import, file-export, attachment, or binary-content API was confirmed.Martini can independently process CSV or Excel files and then call supported Apollo REST operations, but this does not indicate a native Apollo file API.
Database and analytics accessNot confirmedNo public Apollo SQL interface or direct database-access mechanism was confirmed; reporting data should use documented API or product export capabilities.Martini can persist integration state in an approved database, but it should not assume direct access to Apollo’s underlying database.
GraphQL APIsNot confirmedNo official Apollo.io GraphQL API documentation was confirmed in the supplied research.Martini should use Apollo’s documented REST APIs rather than assume GraphQL availability.
SOAP APIsNot confirmedNo official Apollo.io SOAP API documentation was confirmed.Martini should use the documented REST and webhook mechanisms instead of assuming SOAP support.

How Apollo.io exposes data and business events

Apollo.io REST APIs

Apollo.io’s principal public integration mechanism is its REST API. It supports prospect and organization search, person and organization enrichment, contact management, account operations, and selected sales-engagement activities, with structured JSON responses.

Martini implementation pattern

Martini implementation pattern: a workflow receives a CRM request or scheduled trigger, calls the appropriate Apollo REST endpoint with an environment-managed API key, validates the response, maps it to a canonical prospect or organization model, and writes approved data to the target system.

Implementation sequence

Receive a CRM request or scheduled synchronization trigger
Build the Apollo REST request with the required search or enrichment inputs
Call the endpoint using an API key stored as a Martini secret
Validate HTTP status, response structure, and match quality
Map Apollo fields to the canonical and target models
Apply consent, overwrite, duplicate, and routing rules़

Apollo.io Webhooks

Apollo.io provides webhook-style notifications for selected events or integrations. Coverage is partial, so event availability, payload completeness, authenticity, and retry behavior must be confirmed for the account and use case.

Martini implementation pattern

Martini implementation pattern: expose a controlled API endpoint or workflow trigger, validate the incoming request, derive an event identifier, suppress duplicate deliveries, and retrieve the current Apollo object when the notification contains only a reference before starting downstream processing.

Implementation sequence

Receive the supported Apollo webhook notification
Validate the request and identify the event and payload reference
Check the event identifier against persisted idempotency state
Retrieve the current Apollo object when the payload is incomplete
Map the event into the target system’s model
Acknowledge or record processing status and retry failures safely

Apollo.io Bulk Enrichment

Apollo.io documents bulk or batch-style operations for selected people and organization enrichment scenarios. Batch limits, credit usage, synchronous or asynchronous behavior, and partial-result handling vary by endpoint.

Martini implementation pattern

Martini implementation pattern: collect eligible People or Organizations, split them into endpoint-compliant batches, call Apollo’s documented bulk enrichment endpoint, process each success and failure independently, and persist progress so a failed batch can resume without duplicating completed work.

Implementation sequence

Select eligible People or Organizations requiring enrichment
Apply batch-size, credit, and rate-limit controls
Submit the batch to the Apollo enrichment endpoint
Process successful, unmatched, and invalid items separately
Persist batch progress and enrichment timestamps
Retry transient failures with bounded backoff

Apollo.io Authentication

Apollo’s public API documentation describes API-key authentication. OAuth may apply to particular application or ecosystem scenarios, but a general OAuth flow for all public Apollo API operations was not confirmed.

Martini implementation pattern

Martini implementation pattern: store Apollo API keys in secure environment configuration, reference them from REST API definitions or workflows, separate development and production credentials where permitted, and restrict each integration to the minimum required operations.

Implementation sequence

Confirm Apollo API access and plan entitlements
Create or obtain an appropriately scoped Apollo API key
Store the key in Martini secrets or environment configuration
Reference the secret from the API request configuration
Test authentication against a non-production workflow
Rotate or revoke credentials according to organizational policy

Common Apollo.io integration patterns

Pattern 1: Enrich Salesforce prospects with Apollo.io

When to use this pattern

Use this pattern when Salesforce Leads or Contacts are missing approved prospect or company attributes. A scheduled workflow can process only new or incomplete records, preserving manually curated fields and routing ambiguous matches for review.

Integration direction
Salesforce
Martini
Apollo.io
Salesforce
Example Mapping
Apollo.io FieldCanonical FieldTarget Field
emailperson.emailLead.Email or Contact.Email
job_titleperson.titleTitle
organization.nameorganization.nameAccount.Name
organization.domainorganization.domainAccount.Website
Martini implementation pattern

Martini reads eligible Salesforce records, uses a stable matching input such as email or a documented Apollo matching parameter, calls person or organization enrichment, validates match quality and field availability, and writes only approved fields back to Salesforce. It persists the Apollo enrichment timestamp and source, retries transient failures, and routes no-match or ambiguous results to an exception queue or review process.

Martini capabilities used
  • workflows
  • API consumption
  • data mapping
  • business rules
  • error handling
  • secrets management

Pattern 2: Enrich HubSpot Companies and Contacts

When to use this pattern

Use this pattern to improve HubSpot segmentation and fill missing company or contact attributes from Apollo.io without making every returned field authoritative. The workflow should account for plan-specific fields and endpoint availability.

Integration direction
HubSpot
Martini
Apollo.io
HubSpot
Example Mapping
Apollo.io FieldCanonical FieldTarget Field
organization.namecompany.nameHubSpot Company name
organization.domaincompany.domainHubSpot Company domain
person.titlecontact.jobTitleHubSpot Contact jobtitle
person.emailcontact.emailHubSpot Contact email
Martini implementation pattern

A Martini workflow queries HubSpot for records requiring enrichment, calls Apollo search or enrichment endpoints, normalizes nullable and optional fields, and applies rules for consent, field ownership, and duplicate prevention before updating HubSpot. It stores cross-reference identifiers and distinguishes unavailable data from explicit negative values.

Martini capabilities used
  • scheduled workflows
  • API consumption
  • mapping and transformation
  • validation
  • idempotency
  • monitoring

Pattern 3: Govern Apollo prospects before sales engagement

When to use this pattern

Use this pattern when Apollo prospecting data must be filtered before reaching Salesloft or Outreach. It provides a policy layer for territory, consent, title, account, and duplicate rules rather than automatically activating every prospect.

Integration direction
Apollo.io
Martini
Salesloft or Outreach
Example Mapping
Apollo.io FieldCanonical FieldTarget Field
People.emailprospect.emailProspect.email
People.titleprospect.jobTitleProspect.title
Organizations.domainprospect.accountDomainProspect.account_domain
People.idprospect.sourceIdProspect.external_id
Martini implementation pattern

Martini consumes Apollo search or enrichment results, checks required fields and eligibility rules, normalizes prospects, and performs idempotent creates or updates through the engagement platform API. It prevents duplicate sequence actions, records approval and rejection reasons, and retries only transient target-system or Apollo failures.

Martini capabilities used
  • REST API orchestration
  • data mapping
  • business rules
  • validation
  • duplicate prevention
  • bounded retries

Pattern 4: Process Apollo webhook events

When to use this pattern

Use this pattern for Apollo events that are exposed through supported webhook capabilities and need to initiate CRM updates, operational notifications, or internal data processing. It is not a substitute for events Apollo does not expose.

Integration direction
Apollo.io
Martini
Slack or CRM
Example Mapping
Apollo.io FieldCanonical FieldTarget Field
event_typeevent.typeNotification.category
event_idevent.idIntegrationEvent.external_id
object_idresource.sourceIdCRM external ID
event_timestampevent.occurredAtIntegrationEvent.occurred_at
Martini implementation pattern

Martini receives the webhook through an exposed API or workflow trigger, validates the request, checks duplicate delivery and event ordering, retrieves the latest Apollo resource when needed, and routes the normalized event to Slack or a CRM. It records processing state and sends failures to controlled retry or operational review paths.

Martini capabilities used
  • API exposure
  • workflow triggers
  • webhook processing
  • idempotency
  • API consumption
  • error handling

Applications commonly integrated with Apollo.io

Apollo.io can be integrated with CRM, sales-engagement, notification, and workflow applications to enrich prospect data, govern outbound actions, and coordinate sales operations. Exact operations and fields should be confirmed against the customer’s Apollo plan and selected API endpoints.

Application Scenario Direction Martini Pattern
Salesforce Enrich Leads, Contacts, Accounts, and related sales data while keeping Salesforce as the system of record for approved customer and prospect fields. Salesforce → Martini → Apollo.io A scheduled Martini workflow reads incomplete or newly created Salesforce records, calls Apollo person or organization enrichment endpoints, applies field-level overwrite and match rules, and writes approved values back through the Salesforce API. Unmatched, ambiguous, and rate-limited requests are routed separately.
HubSpot Enrich Contacts and Companies, improve segmentation, and reduce duplicate manual entry between prospecting and CRM processes. HubSpot → Martini → Apollo.io Martini retrieves HubSpot records requiring enrichment, calls the relevant Apollo search or enrichment API, maps selected fields into a canonical prospect model, and updates HubSpot only after validation. A persisted cross-reference prevents duplicate updates.
Salesloft Prepare approved Apollo prospects for sales-engagement activities while applying territory, consent, title, and account rules before outreach. Apollo.io → Martini → Salesloft A Martini workflow consumes Apollo search or enrichment results, validates eligibility and required fields, and submits approved prospects to Salesloft through its API. The workflow records submission status and avoids automatically activating prospects that require review.
Outreach Enrich and govern prospect data before adding eligible contacts to Outreach sequences or workflows. Apollo.io → Martini → Outreach Martini transforms Apollo People and Organizations into the target Outreach model, checks consent and business rules, performs idempotent upserts, and records rejected or duplicate prospects for operational review.
Slack Notify sales operations teams about enrichment outcomes, supported Apollo webhook events, approval queues, and integration failures. Apollo.io → Martini → Slack Martini receives an Apollo notification or completes an enrichment workflow, formats a concise operational message, and calls Slack’s API or webhook. Sensitive personal data is minimized and failures are retried independently from the core synchronization.
Zapier Connect Apollo actions or events to business applications when a prebuilt workflow is sufficient, while using Martini for governed transformations or higher-control processes. Apollo.io → Martini → Zapier Martini can act as a controlled API and transformation layer around Apollo operations, validating payloads and applying organization-wide rules before forwarding approved data to Zapier or receiving Zapier-originated requests.

How to build a Apollo.io integration in Martini

Objective

Establish Apollo API access and the target-system credentials without embedding secrets in workflow definitions.

Instructions in Martini

  • Confirm Apollo API access, plan entitlements, and required operations
  • Store the Apollo API key and target credentials in Martini secrets or environment configuration
  • Use separate credentials for development and production where organizational policy permits
  • Test authentication and minimum required permissions

Objective

Select a scheduled, API-led, or supported webhook trigger that matches the synchronization requirement.

Instructions in Martini

  • Use a scheduler for polling, enrichment, or batch synchronization
  • Use an exposed Martini API for CRM-driven enrichment requests
  • Use a workflow trigger for supported Apollo webhook notifications
  • Define execution boundaries and restart behavior

Objective

Call the appropriate Apollo REST or batch endpoint and handle pagination, limits, and partial results.

Instructions in Martini

  • Select the documented People, Organizations, Contacts, Accounts, Sequences, or enrichment operation
  • Track page, cursor, or high-water-mark state where applicable
  • Apply batch-size, credit, and rate-limit controls
  • Distinguish no-match, invalid, restricted, and transient responses

Objective

Coordinate Apollo calls, target-system operations, validation, enrichment, and exception paths in a maintainable Martini workflow.

Instructions in Martini

  • Sequence API calls and conditional routes explicitly
  • Persist cross-reference identifiers and synchronization checkpoints
  • Use reusable services or workflow components for common API and validation logic
  • Route permanent failures separately from retryable failures

Objective

Convert Apollo JSON responses and webhook payloads into canonical and target-system models.

Instructions in Martini

  • Map only fields required by the business process
  • Treat optional and plan-dependent fields as nullable
  • Normalize email, domain, identifiers, timestamps, and enumerated values
  • Preserve source identifiers and enrichment timestamps for traceability

Objective

Protect data quality, privacy, and business ownership before writing to downstream systems or activating engagement actions.

Instructions in Martini

  • Apply consent, territory, title, account, and field-ownership rules
  • Use deterministic create-versus-update decisions
  • Reject ambiguous matches or send them to review
  • Prevent duplicate contact creation and sequence enrollment

Common Apollo.io data objects used in integrations

ObjectTypical UseCommon target systemsMartini handling
PeopleSearch, match, and enrich individual prospects and contacts.Salesforce, HubSpot, Salesloft, Outreach, internal prospect databasesMartini retrieves People through Apollo REST endpoints, normalizes identifiers and optional fields, applies consent and match rules, and performs idempotent target updates.
OrganizationsSearch and enrich company or organization information associated with prospects and accounts.Salesforce, HubSpot, account-planning systems, data warehousesMartini maps organization attributes into a canonical company model, preserves Apollo identifiers, and routes ambiguous or incomplete matches for review.
ContactsManage people saved or managed as contact records in Apollo.Salesforce, HubSpot, Salesloft, OutreachMartini uses documented contact operations, applies create-versus-update rules, and avoids overwriting manually curated target fields without explicit policy.
AccountsManage company-level sales account records used for account management and prospecting.Salesforce, HubSpot, account-management applications, databasesMartini synchronizes approved account fields, maintains cross-reference identifiers, and tracks pagination and synchronization checkpoints.
SequencesOrganize automated or semi-automated outreach steps and engagement activities.Salesloft, Outreach, CRM systems, operational reportingMartini validates eligibility and business rules before selected sequence operations, records request outcomes, and prevents duplicate enrollment actions.
OpportunitiesRepresent sales opportunity records where enabled by the Apollo account and API surface.Salesforce, HubSpot, revenue operations databasesMartini treats availability as endpoint- and account-dependent, maps only confirmed fields, and handles unavailable or restricted operations as explicit exceptions.

Authentication and security considerations

API-key authentication

Apollo.io documents API-key authentication for public API access. Store keys as Martini-managed secrets or environment configuration rather than embedding them in workflow definitions.

Least privilege and environments

  • Confirm the required Apollo plan and API entitlement before deployment.
  • Use separate development and production credentials where permitted.
  • Restrict workflows to the minimum required Apollo operations and data.
  • Apply field-level access, retention, audit, and privacy controls to People and Contacts data.

OAuth considerations

OAuth may apply to specific Apollo application or ecosystem integrations, but a general OAuth flow for all public Apollo API operations was not confirmed. Use the authentication method documented for the selected endpoint.

Operational considerations for Apollo.io integrations

Limits, credits, and pagination

Throttle requests and track Apollo enrichment credits. Implement explicit page or cursor handling, execution boundaries, and restartable synchronization state rather than assuming one response contains all People, Organizations, Contacts, or Accounts.

Idempotency and data quality

Use Apollo identifiers, CRM external IDs, normalized email and domain matching, and persisted cross-references to prevent duplicates. Treat no match, ambiguous match, incomplete enrichment, account restrictions, validation errors, and temporary failures as different outcomes.

Retries and schema changes

Retry transient rate-limit and service failures with bounded backoff, but do not blindly retry invalid requests. Map only required fields, treat optional values as nullable, monitor enum and schema changes, and test against the exact endpoint response used in production.

Privacy and testing

People and Contact data may contain personal information. Apply lawful-processing, retention, regional-transfer, deletion, encryption, and audit requirements, and test with representative non-production data before enabling automated writes or sequence actions.

Why use Martini instead of scripts or point-to-point integrations?

Orchestration instead of isolated scripts

Martini centralizes Apollo.io API calls, CRM updates, webhook handling, batch processing, validation, and exception paths in workflows that can be versioned and reused.

Controlled transformation

Mappings and business rules separate Apollo-specific schemas from canonical prospect and organization models. This makes it easier to protect curated CRM fields, handle nullable data, and change targets without rewriting the whole integration.

Operational reliability

Martini supports scheduled and event-driven execution, API exposure, secret management, bounded retries, idempotency logic, checkpointing, and monitoring patterns that are difficult to maintain consistently across one-off scripts.

Reusable integration assets

Teams can create reusable workflows and APIs around Apollo’s documented endpoints, providing a governed integration layer for Salesforce, HubSpot, Salesloft, Outreach, Slack, and internal applications without assuming a dedicated vendor connector.

Frequently asked questions

How can Apollo.io be integrated with enterprise systems?

Apollo.io can be integrated primarily through its REST API for People and Organizations search, enrichment, contact management, account operations, and selected engagement activities. Selected webhook-style notifications and bulk enrichment endpoints can support event-driven and batch workflows. API-key authentication is documented for public API access.

Can Martini integrate with Apollo.io?

Yes. Martini can consume Apollo.io REST APIs, process JSON responses, call selected bulk enrichment endpoints, receive supported webhook notifications, and orchestrate updates to CRMs, sales-engagement platforms, notification systems, or internal APIs.

Do I need a connector to integrate Apollo.io with Martini?

No. A dedicated Apollo.io connector is not required. Martini can integrate using Apollo.io’s documented REST APIs, API-key authentication, selected webhook notifications, and bulk enrichment endpoints.

Is there any extra Lonti cost to integrate Apollo.io with Martini?

Lonti does not charge an additional per-connector or per-vendor fee to integrate Apollo.io. The integration is subject to the provisioned capacity of the Martini environment. Separate costs may apply from Apollo.io, cloud infrastructure, or other third-party systems based on subscription, usage, and deployment model.

Which Apollo.io integration methods should an enterprise use?

Use Apollo.io REST APIs as the primary mechanism for search, enrichment, contact, organization, account, and selected engagement operations. Use webhook-style notifications only for events confirmed for the relevant account and plan, and use bulk enrichment for supported high-volume scenarios after confirming limits and partial-result behavior.

Can Apollo.io send events or webhooks to Martini?

Apollo.io supports webhook-style notifications for selected events or integrations, but coverage is partial and is not universal across objects or state transitions. Martini can receive supported notifications through an exposed API or workflow trigger, validate them, suppress duplicates, and retrieve the current object when necessary.

How does synchronization between Apollo.io and a CRM work?

A scheduled or CRM-triggered Martini workflow retrieves eligible records, calls Apollo search or enrichment endpoints, maps the response to a canonical model, applies field ownership and duplicate rules, and performs an idempotent CRM update. Pagination, checkpoints, rate limits, and no-match results should be handled explicitly.

How does Martini handle Apollo.io mapping, errors, and retries?

Martini can map Apollo JSON into canonical and target schemas, validate optional and plan-dependent fields, apply business rules, and separate transient API failures from permanent data-quality errors. Workflows can use bounded backoff, persisted checkpoints, idempotency keys or cross-reference tables, and operational logging to support safe retries.

Related Martini documentation

APIs

Events

Workflows

Security

Reliability

Connect Apollo.io with your enterprise systems

Use Martini to build governed Apollo.io integrations around REST APIs, selected webhook events, bulk enrichment, secure authentication, and maintainable workflows.

EXPLORE MARTINI
BOOK A DEMO