- Cloudflare API
- Hit the Cloudflare REST API directly when wrangler CLI or MCP servers aren't the right tool. For bulk operations, fleet-wide changes, and features that wrangler doesn't expose.
- When to Use This Instead of Wrangler or MCP
- Use case
- Wrangler
- MCP
- This skill
- Deploy a Worker
- Yes
- Yes
- No
- Create a D1 database
- Yes
- Yes
- No
- Bulk update 50 DNS records
- Slow (one at a time)
- Slow (one tool call each)
- Yes — batch script
- Custom hostnames for white-label
- No
- Partial
- Yes
- Email routing rules
- No
- Partial
- Yes
- WAF/firewall rules
- No
- Yes but verbose
- Yes — direct API
- Redirect rules in bulk
- No
- One at a time
- Yes — batch script
- Zone settings across 20 zones
- No
- 20 separate calls
- Yes — fleet script
- Cache purge by tag/prefix
- No
- Yes
- Yes (when scripting)
- Worker route management
- Limited
- Yes
- Yes (when bulk)
- Analytics/logs query
- No
- Partial
- Yes — GraphQL
- D1 query/export across databases
- One DB at a time
- One DB at a time
- Yes — cross-DB scripts
- R2 bulk object operations
- No
- One at a time
- Yes — S3 API + batch
- KV bulk read/write/delete
- One at a time
- One at a time
- Yes — bulk endpoints
- Vectorize query/delete
- No
- Via Worker only
- Yes — direct API
- Queue message injection
- No
- Via Worker only
- Yes — direct API
- Audit all resources in account
- No
- Tedious
- Yes — inventory script
- Rule of thumb
- Single operations → MCP or wrangler. Bulk/fleet/scripted → API directly. Auth Setup API Token (recommended) Create a scoped token at: Dashboard → My Profile → API Tokens → Create Token
Store it
export CLOUDFLARE_API_TOKEN = "your-token-here"
Test it
- curl
- -s
- "https://api.cloudflare.com/client/v4/user/tokens/verify"
- \
- -H
- "Authorization: Bearer
- $CLOUDFLARE_API_TOKEN
- "
- |
- jq
- '.success'
- Token scopes
- Always use minimal permissions. Common presets: "Edit zone DNS" — for DNS operations "Edit zone settings" — for zone config changes "Edit Cloudflare Workers" — for Worker route management "Read analytics" — for GraphQL analytics Account and Zone IDs
List your zones (find zone IDs)
curl -s "https://api.cloudflare.com/client/v4/zones?per_page=50" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq '.result[] | {name, id}'
Get zone ID by domain name
ZONE_ID
$( curl -s "https://api.cloudflare.com/client/v4/zones?name=example.com" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq -r '.result[0].id' ) Store IDs in environment or a config file — don't hardcode them in scripts. Workflows Bulk DNS Operations Add/update many records at once (e.g. migrating a domain, setting up a new client):
Pattern: read records from a file, create in batch
while IFS = ',' read -r type name content proxied ; do curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /dns_records" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d "{ \" type \" : \" $type \" , \" name \" : \" $name \" , \" content \" : \" $content \" , \" proxied \" : $proxied , \" ttl \" :1}" \ | jq '{name: .result.name, id: .result.id, success: .success}' sleep 0.25
Rate limit: 1200 req/5min
done < dns-records.csv Export all records from a zone (backup or migration): curl -s "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /dns_records?per_page=100" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ | jq -r '.result[] | [.type, .name, .content, .proxied] | @csv'
dns-export.csv Find and replace across records (e.g. IP migration): OLD_IP = "203.0.113.1" NEW_IP = "198.51.100.1"
Find records pointing to old IP
RECORDS
$( curl -s "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /dns_records?content= $OLD_IP " \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq -r '.result[].id' )
Update each one
for RECORD_ID in $RECORDS ; do curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /dns_records/ $RECORD_ID " \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d "{ \" content \" : \" $NEW_IP \" }" | jq '.success' done Custom Hostnames (White-Label Client Domains) For SaaS apps where clients use their own domain (e.g. app.clientdomain.com → your Worker):
Create custom hostname
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /custom_hostnames" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "hostname": "app.clientdomain.com", "ssl": { "method": "http", "type": "dv", "settings": { "min_tls_version": "1.2" } } }' | jq '{id: .result.id, status: .result.status, ssl_status: .result.ssl.status}'
List custom hostnames
curl -s "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /custom_hostnames?per_page=50" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ | jq '.result[] | {hostname, status, ssl_status: .ssl.status}'
Check status (client needs to add CNAME)
- curl
- -s
- "https://api.cloudflare.com/client/v4/zones/
- $ZONE_ID
- /custom_hostnames/
- $HOSTNAME_ID
- "
- \
- -H
- "Authorization: Bearer
- $CLOUDFLARE_API_TOKEN
- "
- |
- jq
- '.result.status'
- Client setup
- They add a CNAME: app.clientdomain.com → your-worker.your-domain.com Email Routing Rules
Enable email routing on zone
curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /email/routing/enable" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN "
Create a routing rule (forward info@ to a real address)
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /email/routing/rules" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "name": "Forward info@", "enabled": true, "matchers": [{"type": "literal", "field": "to", "value": "info@example.com"}], "actions": [{"type": "forward", "value": ["real-inbox@gmail.com"]}] }' | jq '.success'
Create catch-all rule
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /email/routing/rules" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "name": "Catch-all", "enabled": true, "matchers": [{"type": "all"}], "actions": [{"type": "forward", "value": ["catchall@company.com"]}] }' | jq '.success'
List rules
curl -s "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /email/routing/rules" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq '.result[] | {name, enabled, matchers, actions}' Cache Purge
Purge everything (nuclear option)
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /purge_cache" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{"purge_everything": true}'
Purge specific URLs
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /purge_cache" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{"files": ["https://example.com/styles.css", "https://example.com/app.js"]}'
Purge by cache tag (requires Enterprise or cache tag headers)
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /purge_cache" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{"tags": ["product-123", "homepage"]}'
Purge by prefix
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /purge_cache" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{"prefixes": ["https://example.com/images/"]}' Redirect Rules (Bulk)
Create a redirect rule
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /rulesets/phases/http_request_dynamic_redirect/entrypoint" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "rules": [ { "expression": "(http.request.uri.path eq \"/old-page\")", "description": "Redirect old-page to new-page", "action": "redirect", "action_parameters": { "from_value": { "target_url": {"value": "https://example.com/new-page"}, "status_code": 301 } } } ] }' For bulk redirects (301s from a CSV), generate the rules array programmatically: import json , csv rules = [ ] with open ( 'redirects.csv' ) as f : for row in csv . reader ( f ) : old_path , new_url = row rules . append ( { "expression" : f'(http.request.uri.path eq " { old_path } ")' , "description" : f"Redirect { old_path } " , "action" : "redirect" , "action_parameters" : { "from_value" : { "target_url" : { "value" : new_url } , "status_code" : 301 } } } ) print ( json . dumps ( { "rules" : rules } , indent = 2 ) ) Zone Settings (Fleet-Wide) Apply the same settings across multiple zones:
Settings to apply
SETTINGS
'{"value":"full"}'
SSL mode: full (strict)
Get all active zones
ZONES
$( curl -s "https://api.cloudflare.com/client/v4/zones?status=active&per_page=50" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq -r '.result[].id' )
Apply to each zone
for ZONE in $ZONES ; do curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/ $ZONE /settings/ssl" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d " $SETTINGS " | jq "{zone: .result.id, success: .success}" sleep 0.25 done Common fleet settings: ssl — "full" or "strict" min_tls_version — "1.2" always_use_https — "on" security_level — "medium" browser_cache_ttl — 14400 WAF / Firewall Rules
Create a WAF custom rule (block by country)
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /rulesets/phases/http_request_firewall_custom/entrypoint" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "rules": [{ "expression": "(ip.geoip.country in {\"RU\" \"CN\"})", "action": "block", "description": "Block traffic from RU and CN" }] }'
Rate limiting rule
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /rulesets/phases/http_ratelimit/entrypoint" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{ "rules": [{ "expression": "(http.request.uri.path contains \"/api/\")", "action": "block", "ratelimit": { "characteristics": ["ip.src"], "period": 60, "requests_per_period": 100 }, "description": "Rate limit API to 100 req/min per IP" }] }' Worker Routes
List routes
curl -s "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /workers/routes" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " | jq '.result[] | {pattern, id}'
Create route
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /workers/routes" \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " \ -H "Content-Type: application/json" \ -d '{"pattern": "api.example.com/*", "script": "my-worker"}'
Delete route
curl -s -X DELETE "https://api.cloudflare.com/client/v4/zones/ $ZONE_ID /workers/routes/ $ROUTE_ID " \ -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN " Analytics (GraphQL)
Worker analytics (requests, errors, CPU time)
- curl
- -s
- -X
- POST
- "https://api.cloudflare.com/client/v4/graphql"
- \
- -H
- "Authorization: Bearer
- $CLOUDFLARE_API_TOKEN
- "
- \
- -H
- "Content-Type: application/json"
- \
- -d
- '{
- "query": "{ viewer { zones(filter: {zoneTag: \"'
- $ZONE_ID
- '\"}) { httpRequests1dGroups(limit: 7, filter: {date_gt: \"2026-03-10\"}) { dimensions { date } sum { requests pageViews } } } } }"
- }'
- |
- jq
- '.data.viewer.zones[0].httpRequests1dGroups'
- Rate Limits
- Endpoint
- Limit
- Most API calls
- 1200 requests / 5 minutes
- DNS record operations
- 1200 / 5 min (shared with above)
- Cache purge
- 1000 purge calls / day
- Zone creation
- 5 per minute
- In scripts
- Add sleep 0.25 between calls for sustained operations. Use p-limit or xargs -P 4 for controlled parallelism. Script Generation When the user describes what they need, generate a script in .jez/scripts/ that: Reads API token from environment (never hardcode) Handles pagination for list operations Includes error checking ( jq '.success' after each call) Adds rate limit sleep between calls Logs what it does Supports --dry-run where possible Prefer curl + jq for simple operations. Use Python for complex logic (pagination loops, error handling, CSV processing). Use TypeScript with the cloudflare npm package for type safety in larger scripts. API Reference Base URL: https://api.cloudflare.com/client/v4/ Full docs: https://developers.cloudflare.com/api/ The API follows a consistent pattern: GET /zones — list POST /zones — create GET /zones/:id — read PATCH /zones/:id — update DELETE /zones/:id — delete PUT /zones/:id/settings/:name — update setting Every response has { success: bool, errors: [], messages: [], result: {} } . Reference Files When Read D1, R2, KV, Workers, Vectorize, Queues API patterns references/developer-platform-api.md