diff --git a/tools/REGISTRY.md b/tools/REGISTRY.md
index ece18ac..22a98b1 100644
--- a/tools/REGISTRY.md
+++ b/tools/REGISTRY.md
@@ -369,7 +369,7 @@ Sales conversation analytics, call recording, and deal intelligence.
 
 | Tool | Best For | Notes |
 |------|----------|-------|
-| **gong** | Call recording, transcript analysis, deal insights | REST API, 10k calls/day |
+| **gong** | Call recording, transcript analysis, deal insights | REST API, 10k API calls/day |
 
 **Agent recommendation**: Gong for mining sales call transcripts for customer research, competitive intelligence, and coaching insights. Essential for revenue attribution and win/loss analysis.
 
diff --git a/tools/integrations/gong.md b/tools/integrations/gong.md
index 060873e..4e67c2e 100644
--- a/tools/integrations/gong.md
+++ b/tools/integrations/gong.md
@@ -15,51 +15,41 @@ Revenue intelligence platform that records, transcribes, and analyzes sales conv
 
 - **Type**: Basic Auth (Access Key + Secret) or OAuth2 for published apps
 - **Get key**: Admin-only — Settings > API at https://app.gong.io
-- **Base URL**: `https://api.gong.io/v2/`
+- **Base URL**: Tenant-specific — retrieve from your Gong API settings (typically `https://{tenant}.api.gong.io/v2/`)
+- **Docs**: https://help.gong.io/docs/what-the-gong-api-provides
 
 ## API Endpoints
 
+Most Gong API endpoints use **POST** with JSON request bodies for filtering. Check the [official API docs](https://gong.app.gong.io/settings/api/documentation) for current endpoint availability.
+
 ### Calls
 
 ```bash
-# List calls
-GET https://api.gong.io/v2/calls
+# List calls (with date/user filters)
+POST /v2/calls/extensive
 
-# Get call transcript
-GET https://api.gong.io/v2/calls/{id}/transcript
-
-# Get call details (participants, duration, topics)
-GET https://api.gong.io/v2/calls/{id}
+# Get call transcripts (batch, by call IDs)
+POST /v2/calls/transcript
 ```
 
 ### Users & Stats
 
 ```bash
 # List users
-GET https://api.gong.io/v2/users
+GET /v2/users
 
-# Get user stats (talk ratio, questions asked, longest monologue)
-GET https://api.gong.io/v2/stats/activity/day-by-day
+# Get activity stats (talk ratio, questions asked, longest monologue)
+POST /v2/stats/activity/day-by-day
 ```
 
-### CRM & Deals
-
-```bash
-# Get deals
-GET https://api.gong.io/v2/deals
-
-# Get deal activity
-GET https://api.gong.io/v2/deals/{id}/activity
-```
-
-### Engage (Outreach Automation)
+### Engagement Flows
 
 ```bash
 # List flows
-GET https://api.gong.io/v2/engage/flows
+GET /v2/flows
 
 # Get flow analytics
-GET https://api.gong.io/v2/engage/flows/{id}/analytics
+GET /v2/flows/{id}/analytics
 ```
 
 ## Key Data Points
@@ -137,7 +127,7 @@ GET https://api.gong.io/v2/engage/flows/{id}/analytics
 - Transcript quality depends on call audio quality
 - Rate limits (10k/day) may constrain large-scale analysis
 - Pricing is enterprise-level (not publicly listed, typically $100+/user/month)
-- Requires team adoption — only records calls made through Gong
+- Requires team adoption — records calls via integrations, but also supports uploading calls from non-integrated telephony systems
 
 ## Relevant Skills
 
@@ -146,3 +136,9 @@ GET https://api.gong.io/v2/engage/flows/{id}/analytics
 - competitor-alternatives
 - revops
 - cold-email
+
+## Sources
+
+- [Gong API overview](https://help.gong.io/docs/what-the-gong-api-provides)
+- [Gong API documentation](https://gong.app.gong.io/settings/api/documentation)
+- [Call upload support](https://help.gong.io/docs/uploading-calls-from-a-non-integrated-telephony-system)
diff --git a/tools/integrations/rb2b.md b/tools/integrations/rb2b.md
index 152160a..3a09b5c 100644
--- a/tools/integrations/rb2b.md
+++ b/tools/integrations/rb2b.md
@@ -6,25 +6,29 @@ Website visitor identification platform that de-anonymizes B2B website traffic,
 
 | Integration | Available | Notes |
 |-------------|-----------|-------|
-| API | ✓ | Pro plan and above |
+| API | Limited | API Partner Program (separate from standard app) |
 | MCP | - | Not available |
 | CLI | - | Not available |
-| SDK | - | REST API only |
+| SDK | - | Not available |
+
+Most teams use RB2B via its native integrations (Slack, CRM push, Zapier, webhooks) rather than direct API access. A separate [API Partner Program](https://www.rb2b.com/apis) exists for programmatic access.
 
 ## Authentication
 
-- **Type**: API Key (Pro plan required for API access)
-- **Get key**: Settings > API at https://app.rb2b.com
-- **Free tier**: 150 credits/month with Slack alerts only
+- **Type**: Native integrations (no API key needed for standard use)
+- **API Partner Program**: Separate credentials via https://www.rb2b.com/apis
+- **Free tier**: Limited credits/month with Slack alerts
 
 ## Pricing Tiers
 
-| Plan | Price | Credits/Month | Key Features |
-|------|-------|---------------|-------------|
-| Free | $0 | 150 | Slack alerts, LinkedIn profiles |
-| Pro | $129/mo (annual) | 300 | CSV export, CRM push, validated emails |
-| Pro+ | $299/mo (annual) | 1,000 | All integrations, priority support |
-| Scale | $849/mo | 12,500 | High-volume identification |
+Pricing changes frequently — verify at https://www.rb2b.com/pricing.
+
+| Plan | Approx. Price | Key Features |
+|------|--------------|-------------|
+| Free | $0 | Limited credits, Slack alerts, LinkedIn profiles |
+| Starter | ~$79/mo | Person-level ID, basic integrations |
+| Pro | ~$129-349/mo | CSV export, CRM push, validated emails |
+| Pro+ | ~$299+/mo | All integrations, higher credit volume |
 
 ## Key Integrations
 
@@ -98,3 +102,9 @@ Prevent outreach to:
 - revops
 - customer-research
 - paid-ads
+
+## Sources
+
+- [RB2B pricing](https://www.rb2b.com/pricing)
+- [RB2B plans comparison](https://support.rb2b.com/en/articles/9173659-rb2b-plans-side-by-side-comparisons)
+- [RB2B API Partner Program](https://support.rb2b.com/en/articles/12579420-rb2b-apis-rb2b-s-api-partner-program)