Facebook Comments API

Facebook comments API for Page replies and campaign moderation

Manage Facebook Page comment workflows with API-driven replies, campaign context, and team review alongside the posts your product creates.

Last updated: May 2026

API key authScheduled publishing14 platforms
Quick start
API request
1await fetch("https://api.bundle.social/api/v1/comment", {2  method: "POST",3  headers: {4    "x-api-key": process.env.BUNDLE_SOCIAL_API_KEY,5    "Content-Type": "application/json"6  },7  body: JSON.stringify({8    teamId: "team_123",9    fetchedParentCommentId: "fb_comment_123",10    text: "Thanks - our team will follow up with the details."11  })12});

Facebook Page comment APIs in production

Facebook Page comments depend on Page roles, app review, permissions, and Graph API behavior.
Comment replies need moderation context and visibility for the team that owns the campaign.
High-comment campaigns create operational work if replies live outside the publishing workflow.

What bundle.social handles

Tie Facebook comment handling back to scheduled posts and Page campaigns.
Use one comment workflow pattern for Facebook and other supported platforms.
Give teams a single operational surface for replies, context, and reporting.

Facebook comments are campaign operations

When a Page post gets attention, replies and moderation become part of the publishing workflow. bundle.social keeps that work visible next to the post.

Workflow

How it works

Connect accounts once, then create and schedule posts with channel-specific fields from one API.

01

Create an API key

Generate an organization API key and use it from your backend with the x-api-key header.

02

Connect accounts

Connect the social accounts your product, agent, or customer workflow should manage.

03

Run the workflow

Call the API with platform-specific data while bundle.social tracks status, context, and dashboard visibility.

Capabilities

Facebook comment handling for Page workflows

Reply to Page comments and keep campaign context visible across the team.

Page comment replies

Reply to supported Facebook Page comments from the API where permissions allow. Scale your moderation workflows.

Campaign context

Link comment work to the scheduled or imported post that started the conversation. See exactly what the user is replying to.

Moderation visibility

Surface comment context for support, marketing, and account teams. Reduce the need for native Facebook access.

Cross-platform model

Use the same comment API mental model for Facebook and other public social networks. Write the code once.

Platform specifics

Facebook API details that shape Page comment handling

Facebook comment workflows sit on top of Page roles, Page tokens, Graph API permissions, and campaign post context.

Page token lifecycle

Facebook Page access tokens commonly expire after about 60 days. bundle.social refreshes them where possible, but security changes, revoked permissions, or Meta-side failures can still require users to reconnect.

Page-first permissions

Comment replies depend on Page roles, app review, and Graph API permissions. Messenger conversations are a separate surface from public Page comments.

Campaign post context

Page posts can include text, links, images, videos, Reels, and Stories, so comment moderation should stay attached to the post type that created the conversation.

Developer example

Reply to a Facebook Page comment

Examples use bundle.social's public API shape: API key authentication, a post date, selected social account types, and platform-specific data.

TypeScript
API request
1await fetch("https://api.bundle.social/api/v1/comment", {2  method: "POST",3  headers: {4    "x-api-key": process.env.BUNDLE_SOCIAL_API_KEY,5    "Content-Type": "application/json"6  },7  body: JSON.stringify({8    teamId: "team_123",9    fetchedParentCommentId: "fb_comment_123",10    text: "Thanks - our team will follow up with the details."11  })12});

Supported content

Facebook Page commentsRepliesModeration contextCampaign support

Honest limitations

  • Facebook permissions, Page roles, and app review determine available comment actions.
  • Private Messenger conversations are separate from Page comment workflows.
  • Some moderation actions may require native tools depending on account setup.

Guarantees

Developer-first infrastructure

2% error rate

We handle the platform edge cases, media processing, and rate limits so your requests succeed.

Verbose errors

When native APIs fail, we return human-readable error messages and actionable recovery steps.

Flat pricing

No per-post counting. Predictable pricing for teams managing many users, workspaces, and connected accounts.

Same-day support

Direct access to the engineers building the API. We respond to technical issues the same day. Sometimes the same hour. Test us c;

Resources

Technical guides & documentation

FAQ

Questions developers ask before building

Does this work for Facebook Pages?

Yes, for connected Pages and permissions that support the workflow.

Can I use this for Messenger?

No. This page focuses on public Facebook comments.

Can agencies use this for multiple clients?

Yes. Team-scoped connected accounts keep Page workflows separated by client or workspace.