Apollo API

Give your agents access to Apollo API. Bring your own Apollo key, or skip the signup and pay per call from your Composio balance with Composio Instant.

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72 Tools
COMPOSIO INSTANT

What is Composio Instant?

Composio Instant lets your agent use paid APIs like Apollo without a separate account or API key for each one. New accounts start with $2 of free credit.

No Apollo account or key

Your agent calls Apollo through Composio, so there is nothing to sign up for, store, or rotate.

Pay per call, at cost

Estimated $0.02 per organization enriched, paid from your Composio balance with zero markup.

Works in any agent

Claude, ChatGPT, Cursor, and other MCP clients, or your own code with the Composio SDK.

Works with your apps

Use Apollo with Gmail, Slack, Google Sheets, and 1,700+ other apps you connect.

AI ASSISTANTS

Connect the Apollo API to your AI assistant

Use Apollo from the AI assistant you already work in. Connect Composio once, then paste the prompt.

  1. 1

    Open the Connectors menu

    Use the button to open Claude's Add connector dialog with Composio filled in. Or click + in the message box, then Connectors, Add connector and Add custom connector.
    Add Composio to Claude
  2. 2

    Add the Composio MCP server

    Name it Composio, paste the MCP server URL and click Add.
    https://connect.composio.dev/mcp
  3. 3

    Authorize in your browser

    A browser window opens. Sign in to Composio to approve the connection.
  4. 4

    Paste the prompt

    Start a new chat and paste the prompt. Claude runs the call on Composio Instant.
  1. 1

    Install the Composio plugin

    Open Composio's plugin page in ChatGPT and click Install. Sign in to ChatGPT first if it asks.
    Install in ChatGPT
  2. 2

    Authorize in your browser

    Connect the plugin, then sign in to Composio to approve the connection.
  3. 3

    Turn on Composio in your chat

    In a new chat, click +, then More, and select Composio.
  4. 4

    Paste the prompt

    Paste the prompt into that chat. ChatGPT runs the call on Composio Instant.
  1. 1

    Install the Composio plugin

    Open Composio in the Cursor marketplace, click Install Composio Plugin for Cursor and approve the connection in your browser.
    Install in Cursor
  2. 2

    Paste the prompt

    Open the Agent chat and paste the prompt. Cursor runs the call on Composio Instant.
  1. 1

    Add the Composio plugin

    Open Composio's listing on x.ai and click Add to Grok Bot. When Grok Bot opens the plugin, click Add.
    Add to Grok Bot
  2. 2

    Authenticate

    Go to Installed, open Composio and click Authenticate. Sign in to Composio and click Authorize.
  3. 3

    Paste the prompt

    Paste the prompt into your bot's chat. Grok Bot runs the call on Composio Instant.
  1. 1

    Paste the setup prompt

    Copy this into your Hermes chat. Hermes adds the Composio MCP server for you.
    Set up Composio from composio.dev/hermes
  2. 2

    Authorize in your browser

    A browser window opens. Sign in to Composio to approve the connection.
  3. 3

    Paste the prompt

    Start a new chat and paste the prompt. Hermes runs the call on Composio Instant.
ClaudeNew chat

Paste this prompt

Use Apollo through Composio Instant to enrich company data for microsoft.com. Return a brief summary of the company details Apollo provides.

What success looks like

APOLLO_ORGANIZATION_ENRICHMENT

Your assistant runs Apollo and replies with a summary of the company details for Microsoft.

Runs on Composio Instant
SDK

Use the Apollo API in your code

Call Apollo from your own agent with the Composio SDK. Four steps and one tool call.

  1. 1

    Set up Composio

    Turn on Instant Toolkits in your project settings and check your prepaid balance in Billing. Then set your API key.
    export COMPOSIO_API_KEY="your_composio_api_key"
  2. 2

    Install the SDK

    The Python SDK needs Python 3.11 through 3.15.
    pip install composio
  3. 3

    Run the call

    Create a session that keeps Instant to this toolkit and reports the charge, then run the tool on the Instant account.
    APOLLO_ORGANIZATION_ENRICHMENT
  4. 4

    Read the response

    When the call runs on Instant, the response includes its charge: the amount as an exact USD decimal string, the currency and charged_by.
agent.py
from composio import Composio

composio = Composio()

session = composio.sessions.create(
    user_id="user_123",
    toolkits=["apollo"],
    instant={
        "toolkits": {"enable": ["apollo"]},
        "return_instant_charge": True,
    },
)

result = session.execute(
    "APOLLO_ORGANIZATION_ENRICHMENT",
    arguments={
        "domain": "microsoft.com",
    },
    account="instant_account",
)
print(result)
print("Instant charge:", result.instant_charge)
TOOLS

Available Apollo API tools

9 Apollo tools run on Instant, priced per call with no Apollo key. Tools marked Your key need your own Apollo account.

ActionTool slugWhat it doesAvailability
Search PeopleAPOLLO_PEOPLE_SEARCHFind net-new prospects in Apollo using search filters.
Instant$0 per request
Search OrganizationsAPOLLO_ORGANIZATION_SEARCHSearch Apollo's organization database with filters and paginated results.
InstantEstimated $0.02 per organization search page
Enrich OrganizationAPOLLO_ORGANIZATION_ENRICHMENTRetrieve company details using its domain.
InstantEstimated $0.02 per organization enriched
Enrich PersonAPOLLO_PEOPLE_ENRICHMENTEnrich a person profile using an Apollo ID or other supported identifiers.
Instant$0.02–$0.18 per person enriched; waterfall may cost more.
Search Company NewsAPOLLO_SEARCH_NEWS_ARTICLESFind news articles about companies in Apollo's database.
InstantEstimated $0.02 per news-result page
Bulk organization enrichmentAPOLLO_BULK_ORGANIZATION_ENRICHMENTEnriches data for up to 10 organizations simultaneously by providing a list of their base company domains (e.g., 'apollo.io', not 'www.apollo.io').
InstantEstimated $0.02 per organization enriched in the batch
Bulk people enrichmentAPOLLO_BULK_PEOPLE_ENRICHMENTEnriches up to 10 person profiles from Apollo's database; charges may apply per person enriched, and unmatched entries may be null.
Instant$0.02–$0.18 per person enriched; waterfall may cost more.
Get Organization by IDAPOLLO_GET_ORGANIZATIONRetrieves organization information by Apollo ID, including available funding, technology, and employee data.
InstantEstimated $0.02 per organization retrieved
Get Organization Job PostingsAPOLLO_GET_ORGANIZATION_JOB_POSTINGSRetrieves paginated job postings for a specified organization by its ID, optionally filtering by domain; ensure organization_id is a valid identifier.
InstantEstimated $0.02 per job-posting result page
Search ContactsAPOLLO_SEARCH_CONTACTSFind contacts in your Apollo database by keyword or stage.Your key
Create SequenceAPOLLO_CREATE_SEQUENCECreate an Apollo outreach sequence with optional steps and email variants.Your key
Add ContactsAPOLLO_ADD_CONTACTS_TO_SEQUENCEAdd contacts to a specified Apollo email sequence.Your key

Instant prices are Apollo's list prices with 0% markup, paid from your Composio balance and updated every hour. Instant calls also count toward your plan's tool calls. See all plans on the pricing page.

USE CASES

Apollo API use cases and example prompts

Copy a prompt into your agent. Each one uses Apollo with apps you connect through Composio.

  • Build a logistics prospect list

    Use Apollo to find heads of IT at logistics companies. Add the results to my Logistics Prospects sheet in Google Sheets, then post the sheet link in Slack's #sales channel with a brief summary of the list.

    Apps used: Apollo, Google Sheets, Slack

  • Prepare an account research brief

    Use Apollo to find the Acme company record and recent news about Acme. Add the company details and relevant news links to the Acme company record in HubSpot, then draft a Gmail message for my account team with the key points.

    Apps used: Apollo, HubSpot, Gmail

  • Find IT leaders for outreach

    Use Apollo to find IT leaders at logistics companies for my regional sales team. Add the prospects to my Logistics Outreach sheet in Google Sheets so the team can review the list.

    Apps used: Apollo, Google Sheets

  • Track company news for sales

    Use Apollo to find news about the companies in my account watchlist. Add a page to my Sales Research space in Notion with the company names, article titles, and links, then share the page in Slack's #sales channel.

    Apps used: Apollo, Notion, Slack

TROUBLESHOOTING

Apollo API troubleshooting

Still stuck? The Instant tools docs cover limits, charges and session settings.

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